Hi Jens
happy holidays and have some good olive oil and bring back good photos.
greetings
Markus
-Original Message-
From: Jens Bladt [mailto:[EMAIL PROTECTED]
Sent: Thursday, July 14, 2005 7:43 AM
To: pentax-discuss@pdml.net
Subject: Off for two weeks
I'm off for Greece for the next
On Wed, Jul 13, 2005 at 11:50:12PM -0400, Tom Reese wrote:
Exactly. The 18mm lens focused at 7 feet will have substantially more
depth of field than the 28mm lens focused at 7 feet if the aperture is
the same.
That depends on what you mean by aperture.
If you mean f stop (relative
This is a very common misconception. But it's still wrong.
On Wed, Jul 13, 2005 at 09:08:34PM -0700, Shel Belinkoff wrote:
Ahhh You've expressed what I thought I saw a few months ago, but which
I couldn't put into words. I'm meeting with another list member this
weekend and I think
Markus Maurer wrote:
Hi Shel
how does a lens influence the saturation of a photo? By different coating?
just wondering ;-)
Light that hits the film/CCD not coming from the subject lowers overall
saturation and contrast. The quality of the black paint inside the lens
barrel influences
Doug Franklin wrote:
On Wed, 13 Jul 2005 21:32:53 -0400, Mishka wrote:
http://source.winehq.org/source/dlls/winsock/socket.c#L2542
That source code is a perfect example of what's wrong with WINE in my
opinion ... the comments tell you nothing about why it does what it
does and tell
There are two main reasons influencing the DOF when comparing equivalent
focal lengths on different formats. They fight one against the other.
1) Aperture. This does not depend on the format the lenses are designd for.
If you set the same f-stop (relative aperture), the absolute aperture (the
-BEGIN PGP SIGNED MESSAGE-
Hi
(apologies if this is a duplicate, I think I sent this to the wrong
address first time.)
can anyone recommend a resource on flash that they found useful? I'm
making a real pig's ear of using flash for butterflies (Sigma PKA 180
macro f5.6.) This is OK
I'd just like to say thanks to all the people who have offered ideas and
suggestions as to why my HIE was fogged. My plan now is it try and
eliminate at least some of the factors. Firstly I have bought a
stainless steel tank, which should rule out the Patterson. Secondly I
intend to do all
On Thu, 14 Jul 2005, Jens Bladt wrote:
I'm off for Greece for the next couple of weeks. Greece! I'm looking forward
to visting Greece again and to shooting some slide film, for a change! I'll
probably be posting some of them in three weeks time :-)
I am very interested to see what you do
On Wed, 13 Jul 2005, Cotty wrote:
On 13/7/05, Shel Belinkoff, discombobulated, unleashed:
I think Cotty put some up a while ago ...
Unfortunately, I compared a SMC-K15 3.5 and a Sigma EX 14 2.8 for flare,
on a Canon 1D, where
... FOVET (35, 1.3x).
On 13/7/05, Mark Roberts, discombobulated, unleashed:
September 7-8-9 is the meeting.
Whoops! I'm afraid we'll be cycling in the Loire valley :-)
Okay, now I'm jealous. Anywhere near Saumur? My favourite place on the Loire.
Cheers,
Cotty
___/\__
|| (O) | People, Places, Pastiche
On 13/7/05, Mark Roberts, discombobulated, unleashed:
Hell, I had to wait in line to shoot those lady slippers!
Ack!!
Not something I could do. Wait in line, that is.
If I knew someone was waiting behind me to photograph the same thing, I'd
go away and come back later, or walk on and find
On 13/7/05, Shel Belinkoff, discombobulated, unleashed:
I recall a couple of indoor shots ... never saw these.
I'm perplexed.
Cheers,
Cotty
___/\__
|| (O) | People, Places, Pastiche
||=|http://www.cottysnaps.com
_
On 13/7/05, Bruce Dayton, discombobulated, unleashed:
The sun hasn't quite set yet and the long shadows are creeping
over the valley. It is kind of cool to see the shadow climbing up the
right mitten.
Hi Bruce,
What's the average height of these mittens? Difficult to get a sense of
scale
On 13/7/05, Shel Belinkoff, discombobulated, unleashed:
I recall a couple of indoor shots ... never saw these.
Ahh! I remember. It was a quick shot in the sitting room. That was only a
temporary blast I'm afraid.
Cheers,
Cotty
___/\__
|| (O) | People, Places, Pastiche
||=|
On Wed, 13 Jul 2005, Godfrey DiGiorgi wrote:
a 50mm lens is a portrait tele
Albeit a short one, if you ask me.
The 77 Limited has a raison d' etre in APS.
Kostas (finds the 24-90 a bit short on 35mm)
On 14/7/05, Cotty, discombobulated, unleashed:
just yet as I'm Bob Harris Country show
just yet as I'm recording Bob Harris Country show
Cheers,
Cotty
___/\__
|| (O) | People, Places, Pastiche
||=|http://www.cottysnaps.com
_
I think your explanation, and your English, are excellent.
Very understandable considering how complex an issue it is.
Thanks for taking the time to write it all out.
Don
-Original Message-
From: Dario Bonazza [mailto:[EMAIL PROTECTED]
Sent: Thursday, July 14, 2005 2:36 AM
To:
On 13/7/05, Mishka, discombobulated, unleashed:
stuff stuffed with cats: http://bonsaikitten.com/
That is pretty sick. Awful.
Cheers,
Cotty
___/\__
|| (O) | People, Places, Pastiche
||=|http://www.cottysnaps.com
_
On 13/7/05, Bruce Dayton, discombobulated, unleashed:
Pentax *istD, DA 16-45/4, handheld
ISO 400, 1/60 sec @ f/9.5
Converted from Raw using Capture One LE
http://www.daytonphoto.com/PAW/monumentvalley_0434.htm
WOW. Gorgeous!
Cheers,
Cotty
___/\__
|| (O) | People, Places,
Jens Bladt wrote:
I'm off for Greece for the next couple of weeks. Greece! I'm looking forward
to visting Greece again and to shooting some slide film, for a change! I'll
probably be posting some of them in three weeks time :-)
Jens
Jens Bladt
How's the humidity this time of year?
There are
From: Don Sanderson [EMAIL PROTECTED]
Date: 2005/07/14 Thu AM 09:11:15 GMT
To: pentax-discuss@pdml.net
Subject: RE: Theory of Equivalency
I think your explanation, and your English, are excellent.
Very understandable considering how complex an issue it is.
Thanks for taking the time to
ok, and now why don't we get back on topic and start discussing,
say, distributions of residual eigenvectors of covariance matrices of
price fluctuations?
best,
mishka
On 7/14/05, Toralf Lund [EMAIL PROTECTED] wrote:
Doug Franklin wrote:
On Wed, 13 Jul 2005 21:32:53 -0400, Mishka wrote:
Cotty wrote:
On 13/7/05, Mishka, discombobulated, unleashed:
stuff stuffed with cats: http://bonsaikitten.com/
That is pretty sick. Awful.
Don't worry, it's fake.
Joaquim
So my message has shown up somewere (not here).
OK, I'd like to elaborate one of my sentences about Circle of Confusion as
follows:
original:
So designers have to guess the average condition and
use a circle of confusion complaint to this.
revised:
So designers have to start from the most
they also offer kits for ponies and ex-girlfriends
best,
mishka
On 7/14/05, Cotty [EMAIL PROTECTED] wrote:
On 13/7/05, Mishka, discombobulated, unleashed:
stuff stuffed with cats: http://bonsaikitten.com/
That is pretty sick. Awful.
Cheers,
Cotty
___/\__
|| (O) |
On Thu, 14 Jul 2005, Boris Liberman wrote:
By the way, is there a good car museum in London? One where they allow
to take photos?
Hi Boris,
H, I don't think there is a dedicated car museum in London. The London
Transport Museum will have buses and taxis, the Science Museum is bound to
Just a few corrections here and there, for better clarity. The meaning
remains unchanged.
Dario
===
There are two main reasons influencing the DOF when comparing equivalent
focal lengths on different formats. They fight one against the other.
1) Aperture. This does not depend on the format the
As Boris noted, an interesting use of DOF. A good, thoughtful
composition. I like it.
Paul
On Jul 14, 2005, at 12:48 AM, Boris Liberman wrote:
Hi!
Rather petulant looking, for an Angel.
http://www.mindspring.com/~webster26/PESO_--_stoneangels.html
Technical Info:
Pentax *ist-D @ 1/1000 iso
Feroze wrote:
To recap, there are three dyes used in CD-Rs. Cyanine, Azo, and
Phthalocyanine. Phthalocyanine.is the longest lasting, Cyanine is the
least. CD-Rs made with Cyanine can lose the data saved on them in just 2
years.
I did burn my first CD-R about 10 years ago - it's gold/cyanine
Perspective is a function of distance, but the distance one stands from
the subject is a function of FOV. An example makes this relationship
quite obvious: I frequently shoot front 3/4 or 7/8 pics of cars with a
400mm lens. Art directors like that with long cars because it bunches
them up,
Well that certainly clarifies things...
Cotty wrote:
On 14/7/05, Cotty, discombobulated, unleashed:
just yet as I'm Bob Harris Country show
just yet as I'm recording Bob Harris Country show
Cheers,
Cotty
___/\__
|| (O) | People, Places, Pastiche
||=|
Cotty [EMAIL PROTECTED] wrote:
On 13/7/05, Mark Roberts, discombobulated, unleashed:
September 7-8-9 is the meeting.
Whoops! I'm afraid we'll be cycling in the Loire valley :-)
Okay, now I'm jealous. Anywhere near Saumur? My favourite place on the Loire.
No idea. Dr. Lisa is in charge for the
Shel Belinkoff wrote:
Headache time ... I think we'll just put the 18mm on the digi and the 28mm
on the filmi, place the cameras on the same spot, and take a picture, and
then look at the results.
After thinking about this some more, I suspect that Godfrey is correct.
AOV is AOV and whatever
From: Chris Stoddart [EMAIL PROTECTED]
Date: 2005/07/14 Thu AM 10:33:02 GMT
To: pentax-discuss@pdml.net
Subject: Re: Another car show
On Thu, 14 Jul 2005, Boris Liberman wrote:
By the way, is there a good car museum in London? One where they allow
to take photos?
Hi Boris,
Shel Belinkoff escribió:
I suppose that's one way - compare lenses of the same optical formula with
different coatings and you'll see greater or lesser saturation. However, I
suppose that optical formulas and the type of glass used in a lens (and
there are many, many different types of glass
Stunning Bruce.
My thought is that the foreground doesn't add much to the shot.
You've mentioned in the past that you prefer not to crop, but I think
this shot looks better with the bottom third cropped out.
Dave
On 7/14/05, Bruce Dayton [EMAIL PROTECTED] wrote:
Another Iconic, Cliched
Is this situation similar to the real world, when the SO lingers, and
you're just about to get married if you manage to wash your own
winsocks?
Jostein,
just wondering...:-)
- Original Message -
From: Mishka [EMAIL PROTECTED]
To: pentax-discuss@pdml.net
Sent: Thursday, July 14,
Perspective is pretty simple, it's the one thing I
actually understand. ;-)
If you are 5 feet from an object, an object at 10 feet
will look twice as far away, because it is.
Increase your focal length 10x and back up to get the
same amount of subject in the frame.
Now the objects are at 50 and 55
On Thu, 14 Jul 2005 14:09:54 +0200, Jostein wrote:
Is this situation similar to the real world, when the SO lingers, and
you're just about to get married if you manage to wash your own
winsocks?
It's worse. It's more like a hard fought divorce where you lose your
winsocks, even though the
On 13 Jul 2005 at 9:01, Godfrey DiGiorgi wrote:
I'd like to see a similar, typical hand held shot with the 15/3.5 and
16mm fisheye, defished, for comparison, on a D or DS body.
I'd also like to see a comparison shot with a 20mm lens on a 35mm
film body as this is the ultrawide field of
On Thu, 2005-07-14 at 12:54, Stephen Moore wrote:
So does one meter the scene before or after the
ND is in place, i.e., adjust exposure for the
desired medium tone, put the filter in place, and
then slow the shutter by 2 stops? Or simply meter
through the filter and use the desired shutter
frank theriault [EMAIL PROTECTED] wrote:
On 7/13/05, Mark Roberts [EMAIL PROTECTED] wrote:
frank theriault [EMAIL PROTECTED] wrote:
http://www.photo.net/photodb/folder?folder_id=509434
Frank, I was looking forward to public nudity, obscene gestures and
alcohol consumption in public, but I
William Robb [EMAIL PROTECTED] wrote:
From: P. J. Alling
Assuming the COC which is not a hard and fast rule remains the same for
the equivalent DOF on the other format. (I don't want to think about
this, my brain hurts...)
I don't really worry about that, I don't make prints large enough
Which ever you prefer as long as you get the correct exposure.
I should think that ISO 50 shouldn't require a ND filter to get long enough
exposures for that dreamy blur effect. This one was accomplished with
ISO 400 film
at f16. The shutter speed was about 2 sec. ISO 50 would have give an
Mark Roberts wrote:
I just
work on the principle that I'm going to have lees DOF when working in MF
and a little more with APS-C digital. Yes, print size theoretically
affects DOF, but standard viewing distance does too and that cancels it
out as far as I can tell.
My CoC/DoF rules of thumb:
1
Mindless requirements are always with us. I once worked on a project
where the word was passed on from on high that there would be no magic
numbers in the code all such number would be defined in the header file
for that translation unit with a meaningful name. Well for some numbers
there
Hi Stephen,
The metering modes you describe will all work. Pick the most
convenient one. :-)
With regards to blur effect, I would be careful not to overdo it.
There should be some texture even in the highlights. The amount of
blur you get will also depend on water speed. You may want to use
On Thu, 14 Jul 2005, Dario Bonazza wrote:
2) Circle of confusion (COC=a lens design parameter, different for different
snip
For this reason, a 50mm lens used on APS format should show less DOF than a
75mm on 35mm format (provided that both lenses are designed for 35mm and are
set on the
Hasn't Erwin Puts discussed this many, many times (at least wrt contrast)?
Shel
[Original Message]
From: Rob Studdert
I'm very interested in these observations. I really can't get my head
around
lenses adding contrast or saturation, can anyone point to papers
substantiating
similar
My first attempt at up-loading an image to the list.
Since Monument Valley is currently a thread, I'm
including one from my site.
Comments welcome.
Jack
__
Do You Yahoo!?
Tired of spam? Yahoo! Mail has the best spam protection around
Yes, I know...
http://www.photolightimages.com/scenic/scenic.asp?catalogID=383
Sorry,
Jack
Start your day with Yahoo! - make it your home page
http://www.yahoo.com/r/hs
perhaps a link would help us see it better?
:-)
Christian
- Original Message -
From: Jack Davis [EMAIL PROTECTED]
To: pentax-discuss@pdml.net
Sent: Thursday, July 14, 2005 10:29 AM
Subject: Mitten morning
My first attempt at up-loading an image to the list.
Since Monument Valley is
The most diffused opinion in this list is that when using 35mm lenses on
APS-C cameras you get wider DOF, while Pentax states that you get narrower
DOF. Isn't it interesting? I think all this can well deserve further
discussion and investigation. Unfortunately, I'm afraid that you cannot get
a
This one time, at band camp, Bob Blakely [EMAIL PROTECTED] wrote:
The word
terrorist is used to denote a person who chooses to instill terror in a
noncombatant populous by destroying innocents such as children, students,
and or a general population regardless of their populous. It's a
That seems like the simplest way to go. I'm scheduled to meet someone from
the list on Saturday, and she is going to have her digi with her, so it
should be a simple matter to make the comparison.
There are plenty of places to get film processed quickly around here ...
Well worth the wait! :-)
Beautiful shot, Jack.
Christian
- Original Message -
From: Jack Davis [EMAIL PROTECTED]
To: pentax-discuss@pdml.net
Sent: Thursday, July 14, 2005 10:31 AM
Subject: Mitten morning
Yes, I know...
I'll try to get a set of comparativeshots off tomorrow, 15/3.5,16/2.8 FE,
16/2.8 FE (with rectilinear conversion), 20/2.8 24/2.8, might be an
interesting twist too :-)
That would be great, Rob. Thanks.
Fred
Sorry, my mistake. Pentax writes that a lens used on APS-C has narrower DOF
than the same lens used on 35mm, not narrower DOF than an equivalent lens
(e.g. 50 vs 75mm). So please disregard my conclusion, I have to re-think
them. However, now I have to leave. Maybe tomorrow...
Kostas, didn't
Dario wrote:
So, when you use a MF lens on 35mm, you usually get smaller
DOF that when using a lens of the same focal length designed for 35mm. This
can also happen when using lenses designed for 35mm on APS cameras (either
film or digi).
This does not happen when using lenses designed for that
It seems like Pentax have a custom fit head/quick release system for at least
the 645 system. QS-B1/QS-20. The plate has that prong that fit into the hole
near the tripod socket on the camera bodies preventing twisting. BTW the plate
also seem to fit the tripod sockets for various Pentax K
You're being obtuse, Willie. Try just saying what you think.
Regards,
Bob...
-
The art of taxation consists in so plucking the goose
as to obtain the largest possible amount of feathers
with the smallest possible amount of hissing.
http://www.graphic-design.com/Photoshop/elements/replace_color.html
Shel
On 14/7/05, Anand DHUPKAR
I need help.
Can someone tell me how to reverse colors in photoshop
elements ?
I have some pictures of glassware - with black
background. I want to reverse the colors so
background
Hmm...
So you are saying that the Americans chose to instill terror in the
noncombatant Iraqi populous by targeting and destroying innocents such as
children, students, and the general Iraqi population irrespective of their
politics concerning Sadam's regime, and it was America's intention to
Just playing with 300mm candids during my kid's swim meet the other day.
This is a random girl on my daughter's team. I like her purple swim cap.
This is a straight-from-the-camera medium-sized fine-quality jpeg rotated
only.
http://home.mindspring.com/~c_skofteland/id27.html
or
Like this?
http://twosixteen.com/gallery/index.php?id=87
On 7/14/05, Shel Belinkoff [EMAIL PROTECTED] wrote:
That won't do it unless the result is to invert all the colors in an image.
The question asked was how to change one color to another - at least that's
how I interpret the question.
I should clarify - I used the rectangular marquee tool to select the
center area, and then pressed CTRL+i.
On 7/14/05, Scott Loveless [EMAIL PROTECTED] wrote:
Like this?
http://twosixteen.com/gallery/index.php?id=87
On 7/14/05, Shel Belinkoff [EMAIL PROTECTED] wrote:
That won't do it
Ever hear of colateral damage?
Kenneth Waller
-Original Message-
From: Kevin Waterson [EMAIL PROTECTED]
Subject: Re: OT OT OT -- Re: Definitions WAS Re: London Bombing update
This one time, at band camp, Bob Blakely [EMAIL PROTECTED] wrote:
The word
terrorist is used to denote a
On Jul 14, 2005, at 5:35 AM, Mark Roberts wrote:
How about Brooklands:
http://www.brooklands.org.uk/intro.htm
About 20 miles from London. I believe they have a museum there,
although
I've never visited. My uncle Dave in London is a car nut and a
member of
the Brooklands Society.
Re: http://www.daytonphoto.com/PAW/monumentvalley_0398.htm
Well done, Bruce. It is nice to find ripples like those that haven't
been walked over.
Judging from the terrain in the photo, the plants (4-Wing Saltbush, I
think) are tapping some water retained by that dune to the left. Not
much
As the article points out, you can't take this picture over a single 24
hour period, because the sun would obscure the stars for a good part of
the time. For more interesting images by the same person, see:
http://homepage.univie.ac.at/peter.wienerroither/pwafoxe.htm
Fred wrote:
Well, the
From F Calc.
This little comparison chart takes into account the differing rule of
thumb Circle of Confusion needed for APS and 35mm assuming an equivalent
AOV for 18mm and 28mm. I generated this using fcalc, I could have done
the math myself but this was easier...
Distance (feet) 3.0
Hi Scott ...
Yes, it's clear what you did, and that's what's to be expected using the
invert command. But, if you want to change just ONE color, a different
approach is needed. The Replace Color command seems to be the simplest and
easiest approach, although there are probably a number of other
On Jul 14, 2005, at 5:34 AM, Dave Kennedy wrote:
Had a lightning storm
...
Never really trying to shoot lightning before, I basically went on the
following theory:
Set camera to Av, set to a small aperature (essentially to extend the
shutter speed - I believe it was 20s), press the shutter
Hi Dave,
Had a lightning storm roll through the area around dusk last night.
Last time I photographed lightning with digital I set the ISO to 400 (I've
used ISO 800/F4 in the past too) and set the aperture to F8. The camera
should be on a tripod (obviously be careful of this if you are near the
On Jul 14, 2005, at 1:55 AM, Kostas Kavoussanakis wrote:
a 50mm lens is a portrait tele
Albeit a short one, if you ask me.
The 77 Limited has a raison d' etre in APS.
Kostas (finds the 24-90 a bit short on 35mm)
That's a matter of personal preference. I use 35-100mm lenses as my
Good example Shel. I find Replace Color to be a very valuable and frequently
used tool. I shot an engine the other day with a tan distributor cap only to
learn later that the original cap was black. An easy fix with Replace Color. A
big job doing it any other way. One of the neat things about
On Jul 14, 2005, at 3:44 AM, Paul Stenquist wrote:
Perspective is a function of distance, but the distance one stands
from the subject is a function of FOV. An example makes this
relationship quite obvious: I frequently shoot front 3/4 or 7/8
pics of cars with a 400mm lens. Art directors
Thanks Cotty!
No, Cokin A 003 Red.
Shot in the coldest Nov. east wind I can recall.
Jack
--- Cotty [EMAIL PROTECTED] wrote:
On 14/7/05, Jack Davis, discombobulated, unleashed:
http://www.photolightimages.com/scenic/scenic.asp?catalogID=383
Very graphic - was it really that red? Beautiful
On Jul 14, 2005, at 7:26 AM, Kostas Kavoussanakis wrote:
2) Circle of confusion (COC=a lens design parameter, different for
different
snip
For this reason, a 50mm lens used on APS format should show less
DOF than a
75mm on 35mm format (provided that both lenses are designed for
35mm and
On Thu, 2005-07-14 at 18:04, Charles Braswell Jr wrote:
On another (kinda) unrelated topic, I found that the DS seemed to take
forever to process the image after the longer shutter speed elapsed.
I can't help with the question about the longer processing time after
exposure, I haven't
PhotoVista deosn't really have problems stitching photographs with a lot of
sky!
I can choose to make the software everything or I can chose to align the
phothographs manually before stitching.
Furthermore I can keyboard in any focal length to ensure an optimal, final
result. If I have converging
Pål Jensen wrote:
All other things equal DOF is dependent on focal lenght.
All other things equal (including focal length), DOF is dependent on the set
aperture
All other things equal (including focal length), DOF is dependent on the
subject distance
All other things equal (including
Beautiful Jack! Seems that those mittens make for great shots just
about anytime. I have a few more to post at some point.
Thanks for sharing that with us.
--
Bruce
Thursday, July 14, 2005, 7:31:50 AM, you wrote:
JD Yes, I know...
JD
I forgot to say: All images must be shot in Manual Mode. Otherwise the
camera AE-automatics will make each single image look differenltly. So, use
the same EV (shutter / aperture setting) for all shots in a panorama.
Jens Bladt
Arkitekt MAA
http://hjem.get2net.dk/bladt
-Oprindelig
Very interesting lesson. Knowing next to nothing about such things, I
really appreciate you sharing this information with us. Certainly
something new to learn about.
--
Bruce
Thursday, July 14, 2005, 9:48:51 AM, you wrote:
JT Re: http://www.daytonphoto.com/PAW/monumentvalley_0398.htm
JT
In answer to your disingenuous question Ken, yes, I've heard of it. In fact
I've (unfortunately) caused it before. Now, Ken, why don't you tell us how
collateral damage relates to the attached description of a terrorist?
Remember now, it's called collateral for a reason - a reason beyond trite
[EMAIL PROTECTED] wrote:
Good example Shel. I find Replace Color to be a very valuable
and frequently used tool. I shot an engine the other day with
a tan distributor cap only to learn later that the original
cap was black. An easy fix with Replace Color. A big job
doing it any other
Well, yes, of course. In truth though, I only have one really long lens -- an
A400/5.6 -- so I make do with that. There's no selection process involved
vbg.
My only point was that when shooting a given object at a given percentage of
frame fill, the 400 quite obviously delivers a perspective
Thanks, Bruce,
I'll gladly trade sharings with you.
Jack
--- Bruce Dayton [EMAIL PROTECTED] wrote:
Beautiful Jack! Seems that those mittens make for
great shots just
about anytime. I have a few more to post at some
point.
Thanks for sharing that with us.
--
Bruce
Thursday,
On Jul 14, 2005, at 7:36 AM, Dario Bonazza wrote:
The most diffused opinion in this list is that when using 35mm
lenses on APS-C cameras you get wider DOF, while Pentax states that
you get narrower DOF. Isn't it interesting?
Here's how it goes:
If you use the same focal length lens, the
Jens Bladt [EMAIL PROTECTED] wrote:
And theres a limit to hopw many vertical expusures I can stitch.
What is the limit?
--
Mark Roberts
Photography and writing
www.robertstech.com
I second that. Thanks Godfrey.
Dario
- Original Message -
From: Godfrey DiGiorgi [EMAIL PROTECTED]
To: pentax-discuss@pdml.net
Sent: Thursday, July 14, 2005 7:40 PM
Subject: Re: Theory of Equivalency
On Jul 14, 2005, at 7:36 AM, Dario Bonazza wrote:
The most diffused opinion in
On Jul 14, 2005, at 5:58 AM, Graywolf wrote:
Hey you guys have been using digital for more than a couple of
years. By now you should be able to tell what kind of coverage a
given lens has on an istD, Ds, Dl without having to compair it to
film cameras.
I agree.
Godfrey
35 is Normal
On Jul 14, 2005, at 6:34 AM, Rob Studdert wrote:
I'd like to see a similar, typical hand held shot with the 15/3.5 and
16mm fisheye, defished, for comparison, on a D or DS body.
I'd also like to see a comparison shot with a 20mm lens on a 35mm
film body as this is the ultrawide field of view
Jack ... nice shot. One small issue: there seems to be a nice halo
(sharpening effects) around the edges of the peaks. To my sensitive eyes
LOL it's quite unnatural looking and very distracting. Otherwise, quite
nice ;-))
Shel
Don't forget the many sensor sizes of the compact digicams. Do you think
that developing as many jargons and reference as the available sensor sizes
would help? The problem is that industry makes as many sensor sizes as their
designers are capable to think about, hence there are no longer only
Beautiful scene and timing. Your choice of sun angle
and direction makes it.
Jack
--- Bruce Dayton [EMAIL PROTECTED] wrote:
This was taken in the back area of Monument Valley.
What really
struck me was how these plants seemed to be growing
and thriving in
the dry sand - it has been a wet
Sadly, in the UK you can no longer shoot this kind of thing. Taking photographs
with children in them at all is risky. At a swimming pool the attendant will
insist that you get the permission of every parent before allowing you to
shoot, you start to feel such a pervert that it's just not worth
Godfrey DiGiorgi wrote:
On Jul 14, 2005, at 5:58 AM, Graywolf wrote:
Hey you guys have been using digital for more than a couple of years.
By now you should be able to tell what kind of coverage a given lens
has on an istD, Ds, Dl without having to compair it to film cameras.
I agree.
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