Re: Full Frame: what is it?

2008-10-22 Thread Cotty
On 22/10/08, Anthony Farr, discombobulated, unleashed:

>You can buy a lot of lens for the price difference between an APS DSLR and a
>FF DSLR.  Pentax will earn more by selling you lenses than selling you
>cameras.  What would you do if you were Pentax?  How many Pentax customers
>will pay a 100% premium to get a full frame sensor?  It'll come when the
>price gap shortens, but Cotty's hat is safe for the moment.

Sad but true.

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RE: Full Frame: what is it?

2008-10-22 Thread Anthony Farr
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
> Joseph McAllister
> 
> 
> Please don't tell my insurance company that the value of my SMCP-A
> 15mm f3.5 has been devalued!
> 
> Joseph McAllister
> Pentaxian
> 

Joseph,

I thought your were to be given the value of an equivalent replacement.
Does that mean you can replace it with a functionally identical new lens, or
do you have to find another SMCP-A 15mm f3.5?  Or can you just take the
money if you provide a current valuation?

Regards, Anthony


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RE: Full Frame: what is it?

2008-10-21 Thread Joseph McAllister


On Oct 21, 2008, at 15:58 , Anthony Farr <[EMAIL PROTECTED]> wrote:


If you think being able to use old wide angle lenses will justify an
investment in a full frame camera (in whatever format), you need to  
read
around.  The interaweb is replete with tales of film era lenses,  
especially
wides, being found wanting when put in front of digital cameras,  
especially
so when the full frame is being imaged.  Almost inevitably a new  
lens will
be purchased soon after the new camera, a camera which ironically  
had been
intended to stretch the useful life of the old lenses.  Why not cut  
out the

middleman and buy a new lens for the camera you have right now.  The
residual value of the pre digital lens will be near to zero anyway,  
so cut

your losses on it and move on.



Please don't tell my insurance company that the value of my SMCP-A  
15mm f3.5 has been devalued!


Joseph McAllister
Pentaxian

P.S. The police have given up on any good leads toward the recovery of  
my equipment.
P.P.S.  A SMCP-A* 135mm f1.8 was on eBay last week, in Poland, for  
$2600 US. Didn't sell.



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RE: Full Frame: what is it?

2008-10-21 Thread Anthony Farr
If you want to shoot film and digital in parallel (I wonder why?)then two
things can happen if the cameras have the same format.  One outcome is that
you'll go crazy swapping lenses from one camera to the other as you
alternate the medium.  The other outcome is that you'll want a duplicate set
of lenses, one set for each camera.  This isn't as silly as it sounds.  When
I shot film I had multiple prime lenses to choose from between 35mm and
135mm, plus 3 continuously overlapping zooms from 24mm to 210mm and a single
example of a 17mm and a 500mm.  So, from 35mm to 135mm I was always able to
have two cameras at the same focal length.  That might also be your
situation.

But having different formats creates an interesting possibility.  If you
contrive to have your lenses separated by an interval of 1.5x focal lengths
(as near as possible), then you can achieve parallel shooting while not
needing a duplicate lens at each focal length.  All it means is that you
need one wideangle lens 1.5x shorter and one tele lens 1.5x longer to get a
full set of equivalent-field-of-view pairs of lenses.

You can buy a lot of lens for the price difference between an APS DSLR and a
FF DSLR.  Pentax will earn more by selling you lenses than selling you
cameras.  What would you do if you were Pentax?  How many Pentax customers
will pay a 100% premium to get a full frame sensor?  It'll come when the
price gap shortens, but Cotty's hat is safe for the moment.  

Regards, Anthony 

> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
> John Sessoms
> Sent: Wednesday, 22 October 2008 12:01 PM
> To: pdml@pdml.net
> Subject: RE: Full Frame: what is it?
> 
> From: Anthony Farr <[EMAIL PROTECTED]>
> > If you think being able to use old wide angle lenses will justify an
> > investment in a full frame camera (in whatever format), you need to read
> > around.  The interaweb is replete with tales of film era lenses,
especially
> > wides, being found wanting when put in front of digital cameras,
especially
> > so when the full frame is being imaged.  Almost inevitably a new lens
will
> > be purchased soon after the new camera, a camera which ironically had
been
> > intended to stretch the useful life of the old lenses.  Why not cut out
the
> > middleman and buy a new lens for the camera you have right now.  The
> > residual value of the pre digital lens will be near to zero anyway, so
cut
> > your losses on it and move on.
> 
> Because it's not about residual value and middlemen or "interaweb" old
> wives tales.
> 
> It's about I already have the lenses; I already use them with my current
> digital equipment while continuing to use them with my film equipment. I
> have a kit that works with both my film & my digital SLRs. I intend to
> keep it that way.
> 
> But I would like to get the same angle of view out of the lens from both
> my film and my digital cameras. It would be convenient. I'm not going to
> buy an additional lens just to overcome the crop factor.
> 
> If Pentax eventually comes out with a "Full Frame" DSLR, I might buy one
> if I have the money.
> 
> If I do buy one, one of the reasons for doing so would be so I could
> take advantage of my existing wide angle lenses. ONE of the reasons.
> 
> There would have to be other advantages, or it wouldn't be enough to
> motivate me to buy another DSLR.
> 
> 


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RE: Full Frame: what is it?

2008-10-21 Thread Anthony Farr
> 
> Which is a pretty good description of the newer lenses which are also
> stand-out performers.
> 

Not having to buy new lenses is one of the justifications for "needing" a
36mm x 24mm sensor.  (I made an ironic shrug)

Regards, Anthony

> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
> Adam Maas
> Sent: Wednesday, 22 October 2008 10:40 AM
> To: Pentax-Discuss Mail List
> Subject: Re: Full Frame: what is it?
> 
> On Tue, Oct 21, 2008 at 7:32 PM, Anthony Farr <[EMAIL PROTECTED]>
wrote:
> >>
> >> And also replete with tales of film-era lenses (like the Zeiss 21/2.8
> >> Distagon and the 21/3.5 and 21/2 Zuiko's) seriously outperforming
> >> those new designs on digital.
> >>
> >
> > The lenses named are uncommonly good lenses, the key word being
> > "uncommonly".
> >
> > Regards, Anthony
> >
> 
> Which is a pretty good description of the newer lenses which are also
> stand-out performers. Plenty of craptacular new glass as well as old.
> 
> --
> M. Adam Maas
> http://www.mawz.ca
> Explorations of the City Around Us.
> 
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RE: Full Frame: what is it?

2008-10-21 Thread JC OConnell
FF puts less pressure on lens quality, i.e. you
Get better picture quality for a given level of
Lens quality vs APS . The only caveat would be FF wide
Angles with really poor corner performance in terms
Of sharpness or vignetting.

JC O'Connell
[EMAIL PROTECTED]


-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
John Sessoms
Sent: Tuesday, October 21, 2008 9:01 PM
To: pdml@pdml.net
Subject: RE: Full Frame: what is it?

From: Anthony Farr <[EMAIL PROTECTED]>
> If you think being able to use old wide angle lenses will justify an
> investment in a full frame camera (in whatever format), you need to
read
> around.  The interaweb is replete with tales of film era lenses,
especially
> wides, being found wanting when put in front of digital cameras,
especially
> so when the full frame is being imaged.  Almost inevitably a new lens
will
> be purchased soon after the new camera, a camera which ironically had
been
> intended to stretch the useful life of the old lenses.  Why not cut
out the
> middleman and buy a new lens for the camera you have right now.  The
> residual value of the pre digital lens will be near to zero anyway, so
cut
> your losses on it and move on.

Because it's not about residual value and middlemen or "interaweb" old 
wives tales.

It's about I already have the lenses; I already use them with my current

digital equipment while continuing to use them with my film equipment. I

have a kit that works with both my film & my digital SLRs. I intend to 
keep it that way.

But I would like to get the same angle of view out of the lens from both

my film and my digital cameras. It would be convenient. I'm not going to

buy an additional lens just to overcome the crop factor.

If Pentax eventually comes out with a "Full Frame" DSLR, I might buy one

if I have the money.

If I do buy one, one of the reasons for doing so would be so I could 
take advantage of my existing wide angle lenses. ONE of the reasons.

There would have to be other advantages, or it wouldn't be enough to 
motivate me to buy another DSLR.


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RE: Full Frame: what is it?

2008-10-21 Thread John Sessoms

From: Anthony Farr <[EMAIL PROTECTED]>

If you think being able to use old wide angle lenses will justify an
investment in a full frame camera (in whatever format), you need to read
around.  The interaweb is replete with tales of film era lenses, especially
wides, being found wanting when put in front of digital cameras, especially
so when the full frame is being imaged.  Almost inevitably a new lens will
be purchased soon after the new camera, a camera which ironically had been
intended to stretch the useful life of the old lenses.  Why not cut out the
middleman and buy a new lens for the camera you have right now.  The
residual value of the pre digital lens will be near to zero anyway, so cut
your losses on it and move on.


Because it's not about residual value and middlemen or "interaweb" old 
wives tales.


It's about I already have the lenses; I already use them with my current 
digital equipment while continuing to use them with my film equipment. I 
have a kit that works with both my film & my digital SLRs. I intend to 
keep it that way.


But I would like to get the same angle of view out of the lens from both 
my film and my digital cameras. It would be convenient. I'm not going to 
buy an additional lens just to overcome the crop factor.


If Pentax eventually comes out with a "Full Frame" DSLR, I might buy one 
if I have the money.


If I do buy one, one of the reasons for doing so would be so I could 
take advantage of my existing wide angle lenses. ONE of the reasons.


There would have to be other advantages, or it wouldn't be enough to 
motivate me to buy another DSLR.



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Re: Full Frame: what is it?

2008-10-21 Thread Adam Maas
On Tue, Oct 21, 2008 at 7:32 PM, Anthony Farr <[EMAIL PROTECTED]> wrote:
>>
>> And also replete with tales of film-era lenses (like the Zeiss 21/2.8
>> Distagon and the 21/3.5 and 21/2 Zuiko's) seriously outperforming
>> those new designs on digital.
>>
>
> The lenses named are uncommonly good lenses, the key word being
> "uncommonly".
>
> Regards, Anthony
>

Which is a pretty good description of the newer lenses which are also
stand-out performers. Plenty of craptacular new glass as well as old.

-- 
M. Adam Maas
http://www.mawz.ca
Explorations of the City Around Us.

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RE: Full Frame: what is it?

2008-10-21 Thread Anthony Farr
> 
> And also replete with tales of film-era lenses (like the Zeiss 21/2.8
> Distagon and the 21/3.5 and 21/2 Zuiko's) seriously outperforming
> those new designs on digital.
>

The lenses named are uncommonly good lenses, the key word being
"uncommonly".

Regards, Anthony

 


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Re: Full Frame: what is it?

2008-10-21 Thread Adam Maas
On Tue, Oct 21, 2008 at 6:57 PM, Anthony Farr <[EMAIL PROTECTED]> wrote:
> If you think being able to use old wide angle lenses will justify an
> investment in a full frame camera (in whatever format), you need to read
> around.  The interaweb is replete with tales of film era lenses, especially
> wides, being found wanting when put in front of digital cameras, especially
> so when the full frame is being imaged.  Almost inevitably a new lens will
> be purchased soon after the new camera, a camera which ironically had been
> intended to stretch the useful life of the old lenses.  Why not cut out the
> middleman and buy a new lens for the camera you have right now.  The
> residual value of the pre digital lens will be near to zero anyway, so cut
> your losses on it and move on.
>
> Regards, Anthony
>

And also replete with tales of film-era lenses (like the Zeiss 21/2.8
Distagon and the 21/3.5 and 21/2 Zuiko's) seriously outperforming
those new designs on digital.


-- 
M. Adam Maas
http://www.mawz.ca
Explorations of the City Around Us.

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RE: Full Frame: what is it?

2008-10-21 Thread Anthony Farr
If you think being able to use old wide angle lenses will justify an
investment in a full frame camera (in whatever format), you need to read
around.  The interaweb is replete with tales of film era lenses, especially
wides, being found wanting when put in front of digital cameras, especially
so when the full frame is being imaged.  Almost inevitably a new lens will
be purchased soon after the new camera, a camera which ironically had been
intended to stretch the useful life of the old lenses.  Why not cut out the
middleman and buy a new lens for the camera you have right now.  The
residual value of the pre digital lens will be near to zero anyway, so cut
your losses on it and move on.

Regards, Anthony

> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
> John Sessoms
> Sent: Wednesday, 22 October 2008 9:15 AM
> To: pdml@pdml.net
> Subject: Re: Full Frame: what is it?
> 
> From: Cory Waters <[EMAIL PROTECTED]
> > I too have never understood the obsession with the sensor's physical
> > size.  I'm shooting now with my K10D and getting pictures that are
> > really good quality.   The k20 is a little better, I suppose.  Are th
> > e"full frame" cameras better simply because of the size of the sensor?
> > I doubt it.
> > CW
> 
> The only "obsession" I have with it is my old wide angle lenses aren't
> so wide angle on a crop sensor. My 20 mm lens and 24mm lens have a wider
> angle of view on a film camera.
> 
> But, on my DSLR's they have an angle of view equivalent to 30mm and 36mm
> lenses ... 95 deg becomes 75 deg; 85 deg becomes 60 deg.
> 
> Other than that, it's no big deal.
> 
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RE: Full Frame: what is it?

2008-10-21 Thread Anthony Farr
> (the Voigtlander 12mm is available in F mount as well as
> LTM mount, although it requires lockable MLY, meaning F, F2 and
> Nikkormats only). 
> 

If you have to disable the R in SLR, then it isn't a functional SLR lens.  I
can put my camera on a microscope if I like, but it 'll never be a good
eyepiece.

Regards, Anthony


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Re: Full Frame: what is it?

2008-10-21 Thread John Sessoms

From: Cory Waters <[EMAIL PROTECTED]
I too have never understood the obsession with the sensor's physical 
size.  I'm shooting now with my K10D and getting pictures that are 
really good quality.   The k20 is a little better, I suppose.  Are th 
e"full frame" cameras better simply because of the size of the sensor?  
I doubt it.

CW


The only "obsession" I have with it is my old wide angle lenses aren't 
so wide angle on a crop sensor. My 20 mm lens and 24mm lens have a wider 
angle of view on a film camera.


But, on my DSLR's they have an angle of view equivalent to 30mm and 36mm 
lenses ... 95 deg becomes 75 deg; 85 deg becomes 60 deg.


Other than that, it's no big deal.

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Re: Full Frame: what is it?

2008-10-21 Thread Mark Roberts

Dario Bonazza wrote:

Godfrey DiGiorgi wrote:


On Oct 21, 2008, at 7:02 AM, Mark Roberts wrote:

I wouldn't be surprised to see larger sensor 4/3 cameras appear  
after the micro 4/3 gets established.


If it is a larger sensor, it isn't 4/3 System. By definition.


That's great news. We'll call it the Super 4/3.


In all seriousness, that's probably a good guess.

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Re: Full Frame: what is it?

2008-10-21 Thread Dario Bonazza

Steve Desjardins wrote:


I prefer the Intel approach, "4/3 II".



Hmmm... what about "8/6"?

Dario

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Re: Full Frame: what is it?

2008-10-21 Thread Scott Loveless
On 10/21/08, Steve Desjardins <[EMAIL PROTECTED]> wrote:
> I prefer the Intel approach, "4/3 II".

Yeah, but is it off by 1?

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Re: Full Frame: what is it?

2008-10-21 Thread Mark Roberts

Steve Desjardins wrote:

I prefer the Intel approach, "4/3 II".


Or the Canon approach: 4/3 mk-II!


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Re: Full Frame: what is it?

2008-10-21 Thread Steve Desjardins
I prefer the Intel approach, "4/3 II".

This thread is such a delightful mix of semantics, optics, and sarcasm.
 Reminds me of why I subscribe to the PDML.  

>>> "Dario Bonazza" <[EMAIL PROTECTED]> 10/21/2008 3:23 PM >>>
Godfrey DiGiorgi wrote:

> On Oct 21, 2008, at 7:02 AM, Mark Roberts wrote:
> 
>> I wouldn't be surprised to see larger sensor 4/3 cameras appear  
>> after the micro 4/3 gets established.
> 
> If it is a larger sensor, it isn't 4/3 System. By definition.

That's great news. We'll call it the Super 4/3.
The Olympus MktDept.

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Re: Full Frame: what is it?

2008-10-21 Thread Dario Bonazza

Godfrey DiGiorgi wrote:


On Oct 21, 2008, at 7:02 AM, Mark Roberts wrote:

I wouldn't be surprised to see larger sensor 4/3 cameras appear  
after the micro 4/3 gets established.


If it is a larger sensor, it isn't 4/3 System. By definition.


That's great news. We'll call it the Super 4/3.
The Olympus MktDept.

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Re: Full Frame: what is it?

2008-10-21 Thread Godfrey DiGiorgi
The Voigtländer Heliar 12mm in Nikon mount is discontinued as far as I  
can discover. A lens that doesn't allow use of a reflex viewfinder is  
hardly an SLR lens, although it can be fitted to an SLR body.


I have no use for Sigma products. The one in 20 that meets the product  
specification generally performs ok. To me, that's just junk.


Godfrey


On Oct 21, 2008, at 10:26 AM, Adam Maas wrote:


3 SLR lenses (the Voigtlander 12mm is available in F mount as well as
LTM mount, although it requires lockable MLY, meaning F, F2 and
Nikkormats only). The Sigma 12-24 is actually a pretty good performer
with stellar control of distortion.

-Adam

On Tue, Oct 21, 2008 at 12:27 PM, Godfrey DiGiorgi <[EMAIL PROTECTED]>  
wrote:

Ok, three.  One SLR lens, one RF lens, and a piece of junk.

Big deal. ]'-)

G

On Oct 21, 2008, at 7:03 AM, Adam Maas wrote:


Nikon 13mm f5.6, Voigtlander 12mm f5.6, Sigma 12-24mm f4.5-5.6



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Re: Full Frame: what is it?

2008-10-21 Thread Adam Maas
On Tue, Oct 21, 2008 at 1:29 PM, Mark Roberts <[EMAIL PROTECTED]> wrote:
> John Francis wrote:
>>
>> I wouldn't call the Nikon 13mm a piece of junk :-)
>>
>> Seriously, though, I knew many people who owned and used the Sigma
>> (mostly in Canon mount).  It seemed to produce reasonable results.
>
> I'm a big fan of the Sigma EX series lenses. I'd rate the 180/3.5 macro with
> some of the best Pentax lenses, in terms of image quality and construction.
>
>

The Sigma 12-24 is not up to the performance of other EX series lenses
like the 10-20 or the 180 macro. But it is quite good nonetheless and
the distortion control is incredibly good, better than any other zoom
in its FoV range and also better than most ultra-wide primes.


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Re: Full Frame: what is it?

2008-10-21 Thread Mark Roberts

John Francis wrote:

I wouldn't call the Nikon 13mm a piece of junk :-)

Seriously, though, I knew many people who owned and used the Sigma
(mostly in Canon mount).  It seemed to produce reasonable results.


I'm a big fan of the Sigma EX series lenses. I'd rate the 180/3.5 macro 
with some of the best Pentax lenses, in terms of image quality and 
construction.


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Re: Full Frame: what is it?

2008-10-21 Thread Adam Maas
3 SLR lenses (the Voigtlander 12mm is available in F mount as well as
LTM mount, although it requires lockable MLY, meaning F, F2 and
Nikkormats only). The Sigma 12-24 is actually a pretty good performer
with stellar control of distortion.

-Adam

On Tue, Oct 21, 2008 at 12:27 PM, Godfrey DiGiorgi <[EMAIL PROTECTED]> wrote:
> Ok, three.  One SLR lens, one RF lens, and a piece of junk.
>
> Big deal. ]'-)
>
> G
>
> On Oct 21, 2008, at 7:03 AM, Adam Maas wrote:
>
>> Nikon 13mm f5.6, Voigtlander 12mm f5.6, Sigma 12-24mm f4.5-5.6
>>
>> -Adam
>>
>> On Tue, Oct 21, 2008 at 9:51 AM, Godfrey DiGiorgi <[EMAIL PROTECTED]> wrote:
>>>
>>> Olympus has a lovely 7-14mm lens in 4/3 System which nets 115 diagonal
>>> degrees,rectilinear. There's only one lens I know of for so-called "full
>>> frame" that provides a wider rectilinear FoV.
>>>
>>> Godfrey - www.gdgphoto.com
>>>
>>> On Oct 21, 2008, at 4:50 AM, Steve Desjardins <[EMAIL PROTECTED]> wrote:
>>>
 The only real issue (in my mind) is the availability of wide angle
 lenses.  It's easier to get wide angles for the FX format (Nikonese, I
 believe) especially since so many exist in the used market.  Other than
 that, I'm happy with a smaller camera and the DX format.

>
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Re: Full Frame: what is it?

2008-10-21 Thread John Francis

I wouldn't call the Nikon 13mm a piece of junk :-)

Seriously, though, I knew many people who owned and used the Sigma
(mostly in Canon mount).  It seemed to produce reasonable results.


On Tue, Oct 21, 2008 at 09:27:56AM -0700, Godfrey DiGiorgi wrote:
> Ok, three.  One SLR lens, one RF lens, and a piece of junk.
>
> Big deal. ]'-)
>
> G
>
> On Oct 21, 2008, at 7:03 AM, Adam Maas wrote:
>
>> Nikon 13mm f5.6, Voigtlander 12mm f5.6, Sigma 12-24mm f4.5-5.6
>>
>> -Adam
>>
>> On Tue, Oct 21, 2008 at 9:51 AM, Godfrey DiGiorgi <[EMAIL PROTECTED]>  
>> wrote:
>>> Olympus has a lovely 7-14mm lens in 4/3 System which nets 115  
>>> diagonal
>>> degrees,rectilinear. There's only one lens I know of for so-called  
>>> "full
>>> frame" that provides a wider rectilinear FoV.
>>>
>>> Godfrey - www.gdgphoto.com
>>>
>>> On Oct 21, 2008, at 4:50 AM, Steve Desjardins <[EMAIL PROTECTED]>  
>>> wrote:
>>>
 The only real issue (in my mind) is the availability of wide angle
 lenses.  It's easier to get wide angles for the FX format  
 (Nikonese, I
 believe) especially since so many exist in the used market.  Other  
 than
 that, I'm happy with a smaller camera and the DX format.

>
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Re: Full Frame: what is it?

2008-10-21 Thread Godfrey DiGiorgi


On Oct 21, 2008, at 7:02 AM, Mark Roberts wrote:

I wouldn't be surprised to see larger sensor 4/3 cameras appear  
after the micro 4/3 gets established.


If it is a larger sensor, it isn't 4/3 System. By definition.

G

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Re: Full Frame: what is it?

2008-10-21 Thread Godfrey DiGiorgi

Ok, three.  One SLR lens, one RF lens, and a piece of junk.

Big deal. ]'-)

G

On Oct 21, 2008, at 7:03 AM, Adam Maas wrote:


Nikon 13mm f5.6, Voigtlander 12mm f5.6, Sigma 12-24mm f4.5-5.6

-Adam

On Tue, Oct 21, 2008 at 9:51 AM, Godfrey DiGiorgi <[EMAIL PROTECTED]>  
wrote:
Olympus has a lovely 7-14mm lens in 4/3 System which nets 115  
diagonal
degrees,rectilinear. There's only one lens I know of for so-called  
"full

frame" that provides a wider rectilinear FoV.

Godfrey - www.gdgphoto.com

On Oct 21, 2008, at 4:50 AM, Steve Desjardins <[EMAIL PROTECTED]>  
wrote:



The only real issue (in my mind) is the availability of wide angle
lenses.  It's easier to get wide angles for the FX format  
(Nikonese, I
believe) especially since so many exist in the used market.  Other  
than

that, I'm happy with a smaller camera and the DX format.



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Re: Full Frame: what is it?

2008-10-21 Thread Mark Roberts

Mark Roberts wrote:

the mirror can be made to move back and up rather than just 
flipping up on a normal hinge - I think Nikon has done the latter on a 
recent camera.


My bad. Not Nikon. It's the new Sony A900. And they stole the idea from 
the Pentax K2 :)



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Re: Full Frame: what is it?

2008-10-21 Thread Mark Roberts

Adam Maas wrote:

On Tue, Oct 21, 2008 at 10:02 AM, Mark Roberts <[EMAIL PROTECTED]> wrote:


Here's an interesting observation, too: The 4/3 lens mount has the same
opening diameter as the Nikon F mount (44mm), so larger sensors *could* be
used in the 4/3 system in the future. They'd require a new line of lenses,
of course, but all the manufacturers (except Sony) are in that boat to one
degree or another. I wouldn't be surprised to see larger sensor 4/3 cameras
appear after the micro 4/3 gets established.


However the short register of 4/3rds restricts the mirror size.


Who said it would have a mirror? ;-)

Seriously, there are ways of minimizing that issue: The lens rear 
elements can be designed to be farther from the sensor and lens flange 
and/or the mirror can be made to move back and up rather than just 
flipping up on a normal hinge - I think Nikon has done the latter on a 
recent camera.



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Re: Full Frame: what is it?

2008-10-21 Thread Steve Desjardins
Oh, I'm not saying you can't do it.  It's just that many folks have a
number of wide angles that are no longer as useful in the DX format.  I
don't, so I'm happy with the smaller format.

Steven Desjardins
Department of Chemistry
Washington and Lee University
Lexington, VA 24450
(540) 458-8873
FAX: (540) 458-8878
[EMAIL PROTECTED]

>>> Godfrey DiGiorgi <[EMAIL PROTECTED]> 10/21/2008 9:51 AM >>>
Olympus has a lovely 7-14mm lens in 4/3 System which nets 115 diagonal 

degrees,rectilinear. There's only one lens I know of for so-called  
"full frame" that provides a wider rectilinear FoV.

Godfrey - www.gdgphoto.com 

On Oct 21, 2008, at 4:50 AM, Steve Desjardins <[EMAIL PROTECTED]>  
wrote:

> The only real issue (in my mind) is the availability of wide angle
> lenses.  It's easier to get wide angles for the FX format (Nikonese,
I
> believe) especially since so many exist in the used market.  Other  
> than
> that, I'm happy with a smaller camera and the DX format.
>
>
>
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RE: Full Frame: what is it?

2008-10-21 Thread JC OConnell
With top quality lenses, there is nearly twice as much detail
In a FF image as a aps image, this is because they both have
Relative same lp/mm and the FF image is much larger.

JC O'Connell
[EMAIL PROTECTED]


-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
Mark Roberts
Sent: Tuesday, October 21, 2008 10:02 AM
To: Pentax-Discuss Mail List
Subject: Re: Full Frame: what is it?

David Savage wrote:
> 
> 2008/10/21 Rick Womer <[EMAIL PROTECTED]>:
>> --- On Tue, 10/21/08, David Savage <[EMAIL PROTECTED]> wrote:
>>> For long exposures (10+ minutes) & low light, high ISO
>>> shots the full frame sees a big (no pun intended) improvement in IQ.
>>>
>>> For regular shooting in good light, not so much of a
>>> difference.
>>>
>> That's true at the current level of technology.  A few years from now
maybe, maybe not.
>>
 > Possibly, but it doesn't help for the photos I'm taking now.

It's physically inevitable that, given an equal number of pixels, a 
24x36 sensor will have larger pixels and hence lower noise than a 16x24 
sensor. Perhaps technology will lower all noise levels in the future to 
the point where the difference is unimportant, but I expect we're past 
the point of diminishing returns now and approaching the limits of 
physics: Noise, more than absolute pixel count, is why full-frame is 
growing so fast.

Here's an interesting observation, too: The 4/3 lens mount has the same 
opening diameter as the Nikon F mount (44mm), so larger sensors *could* 
be used in the 4/3 system in the future. They'd require a new line of 
lenses, of course, but all the manufacturers (except Sony) are in that 
boat to one degree or another. I wouldn't be surprised to see larger 
sensor 4/3 cameras appear after the micro 4/3 gets established.

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RE: Full Frame: what is it?

2008-10-21 Thread JC OConnell
I believe FF 24x36 will always have advantage over aps sensors
Because the lenses are the limiting factor already, bigger sensor
Makes lenses relatively sharper compared to the size of the sensor,
Just like medium format vs 35mm film.

JC O'Connell
[EMAIL PROTECTED]


-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
Rick Womer
Sent: Tuesday, October 21, 2008 9:03 AM
To: Pentax-Discuss Mail List
Subject: Re: Full Frame: what is it?

That's true at the current level of technology.  A few years from now
maybe, maybe not.

Rick

http://photo.net/photos/RickW


--- On Tue, 10/21/08, David Savage <[EMAIL PROTECTED]> wrote:
> 
> For long exposures (10+ minutes) & low light, high ISO
> shots the full
> frame sees a big (no pun intended) improvement in IQ.
> 
> For regular shooting in good light, not so much of a
> difference.
> 
> Cheers,
> 
> Dave
> 
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Re: Full Frame: what is it?

2008-10-21 Thread Boris Liberman

Well, of course I agree. Dario is right.

I for one have the right to express my own, hmmm, preferences.

When I take my trusty old MZ-6 and or even older Perkeo I folder I am 
thinking that my K10D is too big.


My lenses, with only one being an exception, cover more than the camera 
can capture, which, given the quality of the lenses, is great waste of 
highest quality photons and hence pixels.


;-)

*Singing trying to mimic Billy Joel's voice* "I am in the full frame 
frame of mind"...


;-)

Boris


AlunFoto wrote:

2008/10/21 Boris Liberman <[EMAIL PROTECTED]>:

Dario, I totally agree with you. Yet I want either smaller camera or a full
frame(*) one.

(*) Full Frame is the so called 24x36 mm sensor size ;-).


I thought you said you agreed? :-)

You could make a smaller camera by reducing the bayonet diameter to
fit the APS-C, and the register distance.

Somehow, I think you would be very disappointed with that route
because you would have to buy another set of lenses too. At least
until some clever Chinese guy comes up with a suitable adaptor.

full frame is just a frame of mind, mate. :-)

Jostein




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Re: Full Frame: what is it?

2008-10-21 Thread Adam Maas
On Tue, Oct 21, 2008 at 10:02 AM, Mark Roberts <[EMAIL PROTECTED]> wrote:
> David Savage wrote:
>>
>> 2008/10/21 Rick Womer <[EMAIL PROTECTED]>:
>>>
>>> --- On Tue, 10/21/08, David Savage <[EMAIL PROTECTED]> wrote:

 For long exposures (10+ minutes) & low light, high ISO
 shots the full frame sees a big (no pun intended) improvement in IQ.

 For regular shooting in good light, not so much of a
 difference.

>>> That's true at the current level of technology.  A few years from now
>>> maybe, maybe not.
>>>
>> Possibly, but it doesn't help for the photos I'm taking now.
>
> It's physically inevitable that, given an equal number of pixels, a 24x36
> sensor will have larger pixels and hence lower noise than a 16x24 sensor.
> Perhaps technology will lower all noise levels in the future to the point
> where the difference is unimportant, but I expect we're past the point of
> diminishing returns now and approaching the limits of physics: Noise, more
> than absolute pixel count, is why full-frame is growing so fast.
>
> Here's an interesting observation, too: The 4/3 lens mount has the same
> opening diameter as the Nikon F mount (44mm), so larger sensors *could* be
> used in the 4/3 system in the future. They'd require a new line of lenses,
> of course, but all the manufacturers (except Sony) are in that boat to one
> degree or another. I wouldn't be surprised to see larger sensor 4/3 cameras
> appear after the micro 4/3 gets established.

However the short register of 4/3rds restricts the mirror size.


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Re: Full Frame: what is it?

2008-10-21 Thread Adam Maas
Nikon 13mm f5.6, Voigtlander 12mm f5.6, Sigma 12-24mm f4.5-5.6

-Adam

On Tue, Oct 21, 2008 at 9:51 AM, Godfrey DiGiorgi <[EMAIL PROTECTED]> wrote:
> Olympus has a lovely 7-14mm lens in 4/3 System which nets 115 diagonal
> degrees,rectilinear. There's only one lens I know of for so-called "full
> frame" that provides a wider rectilinear FoV.
>
> Godfrey - www.gdgphoto.com
>
> On Oct 21, 2008, at 4:50 AM, Steve Desjardins <[EMAIL PROTECTED]> wrote:
>
>> The only real issue (in my mind) is the availability of wide angle
>> lenses.  It's easier to get wide angles for the FX format (Nikonese, I
>> believe) especially since so many exist in the used market.  Other than
>> that, I'm happy with a smaller camera and the DX format.
>>
>>
>>
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Re: Full Frame: what is it?

2008-10-21 Thread Mark Roberts

David Savage wrote:


2008/10/21 Rick Womer <[EMAIL PROTECTED]>:

--- On Tue, 10/21/08, David Savage <[EMAIL PROTECTED]> wrote:

For long exposures (10+ minutes) & low light, high ISO
shots the full frame sees a big (no pun intended) improvement in IQ.

For regular shooting in good light, not so much of a
difference.


That's true at the current level of technology.  A few years from now maybe, 
maybe not.


> Possibly, but it doesn't help for the photos I'm taking now.

It's physically inevitable that, given an equal number of pixels, a 
24x36 sensor will have larger pixels and hence lower noise than a 16x24 
sensor. Perhaps technology will lower all noise levels in the future to 
the point where the difference is unimportant, but I expect we're past 
the point of diminishing returns now and approaching the limits of 
physics: Noise, more than absolute pixel count, is why full-frame is 
growing so fast.


Here's an interesting observation, too: The 4/3 lens mount has the same 
opening diameter as the Nikon F mount (44mm), so larger sensors *could* 
be used in the 4/3 system in the future. They'd require a new line of 
lenses, of course, but all the manufacturers (except Sony) are in that 
boat to one degree or another. I wouldn't be surprised to see larger 
sensor 4/3 cameras appear after the micro 4/3 gets established.


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Re: Full Frame: what is it?

2008-10-21 Thread Godfrey DiGiorgi
Olympus has a lovely 7-14mm lens in 4/3 System which nets 115 diagonal  
degrees,rectilinear. There's only one lens I know of for so-called  
"full frame" that provides a wider rectilinear FoV.


Godfrey - www.gdgphoto.com

On Oct 21, 2008, at 4:50 AM, Steve Desjardins <[EMAIL PROTECTED]>  
wrote:



The only real issue (in my mind) is the availability of wide angle
lenses.  It's easier to get wide angles for the FX format (Nikonese, I
believe) especially since so many exist in the used market.  Other  
than

that, I'm happy with a smaller camera and the DX format.



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Re: Full Frame: what is it?

2008-10-21 Thread David Savage
Possibly, but it doesn't help for the photos I'm taking now.

Cheers,

Dave

2008/10/21 Rick Womer <[EMAIL PROTECTED]>:
> That's true at the current level of technology.  A few years from now maybe, 
> maybe not.
>
> Rick
>
> http://photo.net/photos/RickW
>
>
> --- On Tue, 10/21/08, David Savage <[EMAIL PROTECTED]> wrote:
>>
>> For long exposures (10+ minutes) & low light, high ISO
>> shots the full
>> frame sees a big (no pun intended) improvement in IQ.
>>
>> For regular shooting in good light, not so much of a
>> difference.
>>
>> Cheers,
>>
>> Dave

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Re: Full Frame: what is it?

2008-10-21 Thread William Robb


- Original Message - 
From: "Dario Bonazza"

Subject: Full Frame: what is it?



At the end of the day, I think that FF is just another name for something 
which didn't truly need it. Its's just another way of calling 24x36mm, 
with no other meaning in it.




Funnily enough, I agree with Dario.
The English language is full of this type of thing. The pedants can bawl 
their silly heads off, but the term "full frame" as it relates to DSLR 
sensors has become a modern colloquialism, in much the same way that the 
much hated "crop factor" has.


William Robb


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Re: Full Frame: what is it?

2008-10-21 Thread PN Stenquist


On Oct 21, 2008, at 2:42 AM, Dario Bonazza wrote:


 I understand you all can disagree.



Mark!


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Re: Full Frame: what is it?

2008-10-21 Thread Rick Womer
That's true at the current level of technology.  A few years from now maybe, 
maybe not.

Rick

http://photo.net/photos/RickW


--- On Tue, 10/21/08, David Savage <[EMAIL PROTECTED]> wrote:
> 
> For long exposures (10+ minutes) & low light, high ISO
> shots the full
> frame sees a big (no pun intended) improvement in IQ.
> 
> For regular shooting in good light, not so much of a
> difference.
> 
> Cheers,
> 
> Dave
> 
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Re: Full Frame: what is it?

2008-10-21 Thread Steve Desjardins
The only real issue (in my mind) is the availability of wide angle
lenses.  It's easier to get wide angles for the FX format (Nikonese, I
believe) especially since so many exist in the used market.  Other than
that, I'm happy with a smaller camera and the DX format.



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Re: Full Frame: what is it?

2008-10-21 Thread David Savage
2008/10/21 Cory Waters <[EMAIL PROTECTED]>:
>  Are th e"full frame"
> cameras better simply because of the size of the sensor?

It depends where/what you are shooting.

For long exposures (10+ minutes) & low light, high ISO shots the full
frame sees a big (no pun intended) improvement in IQ.

For regular shooting in good light, not so much of a difference.

Cheers,

Dave

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Re: Full Frame: what is it?

2008-10-21 Thread AlunFoto
2008/10/21 Boris Liberman <[EMAIL PROTECTED]>:
> Dario, I totally agree with you. Yet I want either smaller camera or a full
> frame(*) one.
>
> (*) Full Frame is the so called 24x36 mm sensor size ;-).

I thought you said you agreed? :-)

You could make a smaller camera by reducing the bayonet diameter to
fit the APS-C, and the register distance.

Somehow, I think you would be very disappointed with that route
because you would have to buy another set of lenses too. At least
until some clever Chinese guy comes up with a suitable adaptor.

full frame is just a frame of mind, mate. :-)

Jostein

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Re: Full Frame: what is it?

2008-10-21 Thread Cory Waters
I too have never understood the obsession with the sensor's physical 
size.  I'm shooting now with my K10D and getting pictures that are 
really good quality.   The k20 is a little better, I suppose.  Are th 
e"full frame" cameras better simply because of the size of the sensor?  
I doubt it.

CW


Dario Bonazza wrote:
I believe Full Frame to be akin the sex of angels, a perfect topic for 
an endless discussion.


What's a frame? Is it related to lenses in use? Is it related to a 
bayonet shape or a register distance? I don't think so.


With film, a frame is related to a supposedly standardised portion of 
film. That's true enough with 35mm film, which saw very few exceptions 
to 24x36mm. So the 18x24mm was the half frame and the 24x72 (see Xpan) 
was - by definition - a double frame. Does anyone ever called it tha 
way? I don't know.


Things become a lot harder with 120 film roll. What's full frame 
there? 6x6? 6x7? 6x8? 6x9? Perhaps 6x9, so that 6x4.5 is half frame 
(but try to dub it that way when talking to a 6x4.5 user and be ready 
to fly out) and then 6x6 to 6x8 should all be reduced formats. This is 
nonsense to me.


With digital, you have no rolls, hence the frame relates to the 
sensor. Any sensor is a full frame of itself, unless you take a 
cropped capture. If you fit a lens covering a larger format on a given 
camera - which is the case with DA sensors equipped with say a FA lens 
- you are tempted to start the FF thing. However, would you describe a 
35mm camera equipped with a 645 or 67 lens as a reduced format? 
Nonsense again. To me, format is related to the sensor, not to to the 
lens in use, which may well be oversized at leisure.


At the end of the day, I think that FF is just another name for 
something which didn't truly need it. Its's just another way of 
calling 24x36mm, with no other meaning in it.


But I understand you all can disagree.

Dario

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Re: Full Frame: what is it?

2008-10-21 Thread Boris Liberman
Dario, I totally agree with you. Yet I want either smaller camera or a 
full frame(*) one.


(*) Full Frame is the so called 24x36 mm sensor size ;-).

Boris

Dario Bonazza wrote:
I believe Full Frame to be akin the sex of angels, a perfect topic for 
an endless discussion.


What's a frame? Is it related to lenses in use? Is it related to a 
bayonet shape or a register distance? I don't think so.


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Re: Full Frame: what is it?

2008-10-21 Thread John Celio

I believe Full Frame to be akin the sex of angels, a perfect topic for an
endless discussion.

What's a frame? Is it related to lenses in use? Is it related to a bayonet
shape or a register distance? I don't think so.



Very well put, all of it. :D

John
(just turned 30 27 minutes ago)

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RE: Full Frame: what is it?

2008-10-21 Thread Anthony Farr
It's a crutch for people who obsess over the size of their tool ;-)

Regards, Anthony

> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
> Dario Bonazza
> Sent: Tuesday, 21 October 2008 5:42 PM
> To: Pentax-Discuss Mail List
> Subject: Full Frame: what is it?
> 
> I believe Full Frame to be akin the sex of angels, a perfect topic for an
> endless discussion.
> 
> What's a frame? Is it related to lenses in use? Is it related to a bayonet
> shape or a register distance? I don't think so.
> 
> With film, a frame is related to a supposedly standardised portion of
film.
> That's true enough with 35mm film, which saw very few exceptions to
24x36mm.
> So the 18x24mm was the half frame and the 24x72 (see Xpan) was - by
> definition - a double frame. Does anyone ever called it tha way? I don't
> know.
> 
> Things become a lot harder with 120 film roll. What's full frame there?
6x6?
> 6x7? 6x8? 6x9? Perhaps 6x9, so that 6x4.5 is half frame (but try to dub it
> that way when talking to a 6x4.5 user and be ready to fly out) and then
6x6
> to 6x8 should all be reduced formats. This is nonsense to me.
> 
> With digital, you have no rolls, hence the frame relates to the sensor.
Any
> sensor is a full frame of itself, unless you take a cropped capture. If
you
> fit a lens covering a larger format on a given camera - which is the case
> with DA sensors equipped with say a FA lens - you are tempted to start the
> FF thing. However, would you describe a 35mm camera equipped with a 645 or
> 67 lens as a reduced format? Nonsense again. To me, format is related to
the
> sensor, not to to the lens in use, which may well be oversized at leisure.
> 
> At the end of the day, I think that FF is just another name for something
> which didn't truly need it. Its's just another way of calling 24x36mm,
with
> no other meaning in it.
> 
> But I understand you all can disagree.
> 
> Dario
> 
> 
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> the directions.


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Re: Full Frame: what is it?

2008-10-21 Thread AlunFoto
2008/10/21 Dario Bonazza <[EMAIL PROTECTED]>:
> I believe Full Frame to be akin the sex of angels.

Damn you, Dario.
Drinking coffee and reading PDML is getting more and more hazardous to
computer hardware.

Well said, though. Worthy a MARK!!

Rest of the post was good too. Couldn't agree more.

Jostein
Still smiling after wiping the liquid off his screen and keyboard...

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