Re: Questions About Buying Copy Stand for Pentax K100D

[Tom Simpson]

And then there is the super light, super compact and 
super-not-so-expensive option, if you don't want to tie up a lot of room:

*http://tinyurl.com/32879l

*(Note: I think this auction is a little high, as I got mine for about 
$20 delivered.

It takes down into a pouch that is about a foot (30cm) long and can be 
carried inside a large camera bag with ease.

A pic of one set up with camera:

http://kmp.bdimitrov.de/macro/copy_pod.jpg

Its all a matter of just what you are trying to do. :-)

-Tom


William Robb wrote:
> - Original Message - 
> From: "Paul"
> Subject: Questions About Buying Copy Stand for Pentax K100D
>
>
>   
>> Hi,
>>
>> I will like to buy a copy stand to use with my
>> Pentax K100D. I intend to use to take pictures of
>> rocks, fossils, concretions, artifacts, toy
>> trains, and similar objects for illustrations in
>> popular and professional publications and personal
>> satisfaction.
>>
>> I have the following questions about
>>
>> 1. Can anyone tell me what specific features to be
>> concerned about most in a copy stand to be used for
>> taking such photographs?
>> 
>
> Sturdy construction and you will want fairly fine adjustability of the 
> camera position.
>
>   
>> 2. What is the advantage, if any, of having a copy
>> stand with counter balancing?
>> 
>
> Less stress on the locking mechanism, and your camera won't get smacked if 
> the lock lets go.
>   
>> 3. Does anyone has any recommendations for copy
>> stands, including lights, in the 150 to 450 dollar
>> range?
>>
>> 4. Does anyone has any recommendations for copy
>> stands, including lights, in the 450 to 650 dollar
>> range?
>>
>> 
>
> The best copy stands available right now are old enlargers. Look for an old 
> Beseler 67 chassis. They have a crank for adjusting the head height, so 
> positioning can be done very precisely, and they are quite rugged. I expect 
> they can be had quite cheaply now that the film and darkroom era is winding 
> down. The 67 head is attached to the evevator by a 3/8x20 screw, which is 
> handy, since many tripod heads also attach via the same sized thread.
> Remove the head, put a tripod head in it's place, level that with a bubble 
> level (the tripod head may have them already), and you are set to go.
> If you are lucky, you might be able to find a decent enlarger at a local 
> community college, photo studio, or lab for very cheap to free.
>
> For lights, I am a fan of quartz halogen yard lights. They are pretty 
> inexpensive, and provide a lot of light.
>
> William Robb 
>
>
>   


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Re: Any one regret upgrading to the K10D?

[Tom Simpson]

I intend to get a K10D sometime this year. I have every intention of 
keeping my DS. If nothing else, I view it as being a camera that I can 
afford to have in the car with me at all times (along with a nice 
assortment of good but old glass courtesy of eBay), and afford to have 
stolen, destroyed, etc. And, as others have mentioned, it would hardly 
be worth selling anyway.

Oh, and there is the small matter of its still being able to take very, 
very nice pictures.  :-)

-Tom
in SC,  USA

Walter Hamler wrote:
> A week or so ago I was going to go out shooting pics. Long story short I 
> ended up wandering around the backyard with the istDL and the 100mm Cosina 
> Macro. I was quickly taken by just how small the DL is compared to the K10, 
> now fitted with the Battery Grip. However, I still lean toward the K10 
> simply because I can do so much more with the camera and the resultant 
> images. I will keep both.
>
> Walt 
>
>
>   


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Re: Any one regret upgrading to the K10D?

[Tom Simpson]

That is where my DL went when I got my new/old stock DS body in 
February. Dad has been climbing a rather steep learning curve these past 
few months, and it has been trying my patience at least as much as his. :-)

Oh, the camera stuff, he picked up on pretty quickly, but it is the 
processing and printing that his giving him (and me) fits.

I think the answer for most of his problems is called Picasa2.

-Tom
in SC, USA

David Savage wrote:
> I have no regrets. And my D feels like a children's toy when I pick it up now.
>
> I've recently given my D to my technophobe Dad. I was showing him the
> basics of how to operate it the other day. That was fun :-)
>
> 
>
> :-)
>   


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Re: Pixel peeping and looking for defects (was Re: Full frame lensesand the K10D, CA anyone?)

[Tom Simpson]

Very true. For the foreseeable future, a bigger piece of film is always 
going to beat out a smaller sensor in terms of absolute IQ, DR, etc.

However, the bigger the piece of film ,the greater the attendant PITA 
factor for working with it, and the greater cost.

Part of me wants to get into medium format, but the costs of setting up 
to process my own B&W film (not to mention color),  the space to set up 
the darkroom...it is just not worth it to me.

And meanwhile, digital technology marches on.

-Tom


J. C. O'Connell wrote:
> Tom's comments only apply to **35MM** film vs current DSLRS, if you go
> bigger,
> film still rules because you can eliminate the problems
> of **35mm film** while still maintaining its advantages
> like greater dynamic range and resolution.
> jco
>
>   


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Re: Pixel peeping and looking for defects (was Re: Full frame lenses and the K10D, CA anyone?)

[Tom Simpson]

It occurs to me that if you push film as hard as the militant pixel 
peepers push these digital images, they start to show defects as well, 
graininess being foremost among them. And surprise, surprise, you get 
more grain when you go to higher ISO film. Seems like there is a lot of 
apples=oranges sorts of comparisons going on, Velvia 200 vs. digital at 
ISO 1600, that sort of thing. The way I look at it, VPN is simply the 
film grain of our day.

I look forward to a day when digital can capture every last bit of the 
dynamic range that top-quality slide film can, but in the meantime, 
digital offers advantages that are too numerous to recount here. I admit 
to my fair share of photo-geekyness, but really...

And, occasional dynamic range-related issues aside, my digital images 
simply look and print better most anything I have ever taken with film, 
and are a hell of a lot less labor-intensive and bother to work with. 
Look, I can even use my "darkroom" to type email!  :-)

-Tom
*ist DS

Mark Erickson wrote:
> Brendan's post and the response bring up an interesting issue that seems to
> increasingly dominate the digital photography world--pixel peeping and
> hunting for defects.  It is easy to zoom up to 200% and tear apart an image,
> but how much of the defects we observe will actually show up in real world
> applications?
>
> For example, the DPReview Pentax SLR forum has had several VPN (vertical
> pattern noise) threads lately.  Basically, if you crank the ISO way up,
> shoot in very low light, then amplify the shadow areas in Photoshop you'll
> see patterns in the noise.  My *ist-Ds does it, but I never noticed it until
> I went looking for it.  My ultimate conclusion is, "So what?"  It's like the
> old joke where the patient says, "Doctor, it hurts when I do ," and the
> doctor responds, "So don't do ".
>
> I know that blooming and CA can be pretty obvious in certain situations
> (e.g., backlit tree branches in winter).  In less contrasty cases, you may
> be able to find it if you go looking for it.  If it's not obtrusive,
> however, why worry so much about it?
>
> Just a thought
>
>
>   


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Re: Another PayPal Scam

[Tom Simpson]

Funny thing is, there actually is a Fifth Thirds Bank, located in Ohio.

Why they chose such an improbable-sounding real bank name is beyond me.

Might be related to the way they think "Barrister" is an impressive 
sounding title that inspires confidence worldwide...

-Tom

David Savage wrote:
> I get some too.
>
> My favorite is the one from the Fifth Thirds Bank
>
> Cheers,
>
> Dave
>
> On 3/31/07, David J Brooks <[EMAIL PROTECTED]> wrote:
>   
>> I get these emails from banks i don't have any money in. I don't have
>> a Paypal account, and i get these emails to Shel.
>>
>> Dave
>> 
>
>   


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Looking To Trade Pentax-A 50mm f 1.7 for...

[Tom Simpson]

...what?

Since I had such good luck turning my DA40 into an FA50 1.7 via this 
list, I thought I might try another trade.

The only reason I am looking to find a new home for this lens is that I 
have a total of three 1.7s, a FA and two As, and that is at least one 
more than enough.

What am I looking to trade for?

Mmm...the only thing I need right now is something wide and sharp, 
usable for architectural work. Note that neither autofocus nor fast are 
particularly needed, but sharp and wide are non-negotiable. I would 
consider a 28mm something or other, but would prefer wider. Would prefer 
an A lens, but if the rest of the lens is what I am looking for, then I 
could deal with that. I would also prefer a K-mount lens, but would 
consider a screw mount. Does not have to be a Pentax brand lens, but it 
certainly would not hurt. :-)

I am in the Columbia, SC area, if that matters.

Please email me at bullet -AT- sc.rr.com.

Thanks in advance:

-Tom

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Re: Can I Offer A Lens For Sale or Trade Here?

[Tom Simpson]

Thanks for the feedback.

What I have at the moment is a Pentax DA 40mm 2.8  in about new 
condition w/ box that I would like to convert into an Pentax autofocus 
50mm prime, either a 1.7 or 1.4, or another good fast 28mm prime of some 
sort, with appropriate cash and/or other items in the mix as needed. 

I know that fast AF 50s are pretty hot and hard to find, but if anybody 
has one they would like to trade out for the little pancake, please 
email me. It just is not fast enough and/or wide enough for what I am 
trying to do, but it is a sweet little lens.

Tom Simpson wrote:
>
>
> Hi:
>
> Pretty much what the subject line says. I have a lens or three that I 
> would like to find a new home for, and would like to try trading here 
> first.
>
> Is that in line with the list rules, or not? If not, then I will shut 
> up and move on with my day. :-)
>
> -Tom
> in SC, USA
>


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Can I Offer A Lens For Sale or Trade Here?

[Tom Simpson]

Hi:

Pretty much what the subject line says. I have a lens or three that I 
would like to find a new home for, and would like to try trading here first.

Is that in line with the list rules, or not? If not, then I will shut up 
and move on with my day. :-)

-Tom
in SC, USA

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Re: Pentax debug modes

[Tom Simpson]

Think of is this way... all of these adjustments were legitimate issues 
(accurate focusing, metering, etc)  40+ years ago. Nothing has changed 
aside from the fact that many of the things that can and do go wrong are 
now readily tweakable using the press of a few buttons rather than a 
jewelers toolbox full of specialized implements of destruction. Add to 
that the fact that the whole film side of the darkroom is now contained 
in the camera if desired, or can be moved to a mundane PC and the whole 
print side to a common inkjet printer, and you have a recipe for a new 
golden age of photography.


-Tom

Mark Roberts wrote:
> Bob W wrote:
>
>   
>> is this really what photography has come to?
>> 
>
> Nope. This is what being an equipment gearhead has come to.
> Actually, it hasn't "come to" this; it's been this way for a long, long 
> time. Only the details and terminology have changed.
>
>
>   
>>> -Original Message-
>>> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On 
>>> Behalf Of Roman
>>> Sent: 19 February 2007 10:14
>>> To: pdml@pdml.net
>>> Subject: Pentax debug modes
>>>
>>> There's special debug modes for dl, ds, ds2, k100d Pentax DSLR for 
>>> instance to shift AF point. Can anyone comment this?
>>>
>>> STEP
>>> 1. Power OFF
>>>While pressing [AE-L]+[INFO], turn the camera on.
>>>Firmware is desplayed on LCD.
>>>Press [MENU]->[MENU]->[INFO] within 5 seconds.
>>>You can see DEBUG mode screen.
>>>By pressing [Right key],Make [DEBUG MODE DIS] to [DEBUG MODE EN].
>>>Then, Press [OK].
>>>
>>> 2. Press [MENU], you can see setup menu.
>>>By pressing [Up key], select AF TEST.
>>>By pressing [Right key], go into AF TEST menu.
>>>By pressing [Down key], select FOCUS CORR.
>>>now you can adjust shift amount by pressing [right key] or [left
>>> key].
>>>(*Don't touch AF Area Test.)
>>>after changing the value, Press [OK] to save.
>>> 3. Test your camera that Focus is corrected.
>>>(repeat step 2. till you satisfy the result.)
>>> 4. Power OFF
>>>While pressing [AE-L]+[INFO], turn the camera on.
>>>Firmware is desplayed on LCD.
>>>Press [MENU]->[MENU]->[INFO] within 5 seconds.
>>>You can see DEBUG mode screen.
>>>By pressing [Right key],Make [DEBUG MODE EN] to [DEBUG MODE DIS].
>>>Then, Press [OK].
>>> 5. Go out and enjoy!!
>>>
>>>
>>> Again, You YOURSELF is responsible for doing this process.
>>>
>>>
>>> Capture debug simply brings capture details normally not presented
>>>   
>> to 
>> 
>>> photographer, but I'd love to hear some things about AF 
>>> shift. What does 
>>> it shift, it can't be focus points themselves, but rather a focus 
>>> distance which is dangrouns thing to adjust as I see.
>>>
>>>
>>> -- 
>>> new photos ever so often... 
>>>
>>> -- 
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>>> http://pdml.net/mailman/listinfo/pdml_pdml.net
>>>
>>>
>>>   
>> -- 
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>>
>> 
>
>   


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Re: K10D service menu/focus system adjust

[Tom Simpson]

ONIOOt Copyright (C) PENTAX Corporation PENTAX K10D 
ÿÿÿ 
¥ 
, 
 

¥
¥¥ZZ¥�ð�'‹I›6Å0›7ÅPŸ€ÿÿÿh¦à›ñ� Ä
¥Í ýý›0Å¢€ÐÀÀHÀ‹Mp´ [EMAIL PROTECTED] ´ 
[EMAIL PROTECTED] ´ 
[EMAIL PROTECTED] ´ ‹a¦AÀ=¦Ÿ�ÿÿÿt¦á‹]Á


Hey, I can read it!

Well, part of the first line, anyway...the next 4,217 lines are a bit 
fuzzy, though...


Decompiler, anyone?

-Tom

Digital Image Studio wrote:

On 11/02/07, Tom Simpson <[EMAIL PROTECTED]> wrote:
  

Mmm...if you can dump the EEPROM to the card, and then reload the EEPROM
from a file...that imply that you could hack the ever-living hades out
of this thing...somebody needs to do an EEPROM dump and then open it up
in a text editor and see what there is to see...



How would you like to be the lucky person? ;-)

http://home.swiftdsl.com.au/~distudio/temp/kb421.zip

  


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Re: K10D service menu/focus system adjust

[Tom Simpson]

Mmm...if you can dump the EEPROM to the card, and then reload the EEPROM 
from a file...that imply that you could hack the ever-living hades out 
of this thing...somebody needs to do an EEPROM dump and then open it up 
in a text editor and see what there is to see...

-Tom

David Savage wrote:
> When you go into the hidden service menu it has this list:
>
> DEBUG MODE 
> CARDDOOR OPEN  
> WRITE CARD VNDR  
> SCRIPT EN MODE  
> USR DAT CLEAR
> DUMMY RELEASE
> SWITCH TEST
> RELEASE AGING  
> LENS COM CHECK
> AF PINT DISP
> DSP ADJ DAT READ
> DSP ADJ DAT WRITE
> EEPROM LOAD from FILE
> EEPROM SAVE to FILE
> EEPROM READ/WRITE
> CPU ROM SAVE to FLE
> DSP ROM SAVE to FILE
> LENS ROM LOAD from FILE
> LENS ROM SAVE to FILE
> LENS ROM READ/WRITE
> BOARD VER
> DUST REDUCTION TEST
> DSP CHIP VER
>
> On quick inspection through the menus there doesn't seem to be a meter
> sensitivity adjustment.
>
> When you set the  debug mode to , when you go into the setup menu
> there is now a "Test Mode" section with:
>
> - Capture/System Test
> - AF Test
> - Strings Disp(lay) Test
>
> I have no idea what capture/system test is supposed to do. AF test is
> self explanatory, & the strings disp test just appears to be a list of
> direct from camera print error messages.
>
> Cheers,
>
> Dave
>
> On 2/11/07, J. C. O'Connell <[EMAIL PROTECTED]> wrote:
>   
>> THESE SERVICE MENUS CAN BE VERY USEFUL!
>>
>> Anybody know if the earlier & other model cameras
>> like the istD DS DL DS2 DL2 K100D K110D have one and
>> how to access them?
>>
>> If the AF system is menu servicable, other
>> important things may be too, LIKE SYSTEM
>> SENSITIVITY (metering) etc. I want to know.
>> And like this poster states, these service
>> menus ususally have settings "values" that
>> if you jot down before you start experimenting
>> you can always get it right back exactly where you started.
>> 
>
>   


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Re: Today's heresy

[Tom Simpson]

I haven't been here all that long, but I gather that this Cotty person 
is a bad, bad man... 

In a good way. :-)

-Tom

Mark Roberts wrote:
> Tom Simpson wrote:
>
>   
>> Along with this bad attitude of mine, I have a lathe and a milling 
>> 
> machine.
>
> Did you catch that, Cotty?
>
> Lathe!
>
> Milling Machine!
>
>
>   


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Re: Today's heresy

[Tom Simpson]

eBay is loaded not only with FD lenses, but good Miranda, Minolta, etc. 
glass. I saw a 600mm Soligor C/D for Miranda languish and not sell for 
stupidly small money just recently. I have to say that, as a fan of 
Soligor C/D lenses and a non-fan of the orphaned Miranda mount, it 
kinda' annoyed me.

I have absolutely no respect for equipment that is useless and will 
cheerfully modify it until it is not useless anymore.

Along with this bad attitude of mine, I have a lathe and a milling machine.

Now, lets talk flange distances, etc. :-)

-Tom

Collin R Brendemuehl wrote:
> I'm about to propose a heresy.
> Nothing that G K Chesterton or Cornelius Plantinga would write about, 
> but heresy never the less.
>
> It's come to my attention that a lot of old FD mount lenses are going 
> pretty cheap.  And the breech system attached to the
> outside of the body, not really internal  soo
> Remove the mount from an old Canon body and fuse it to a screw-mount 
> adapter and voila -- a Canon-> Pentax adapter.
> Then just remove the aperture coupling from the lens.
>
> Next time I find an old FD body and lens that's worthless, I may give 
> it a try.  (I just saw an old Canon 300/4.5 going
> for a modest price and this idea entered my mind ...)
>
> Yes, it is heresy.  But can I be cleansed?  Somebody help me ... I've fallen.
> (Or is this a heresy/project better suited to Cotty?)
>
>
>
>
> Sincerely,
>
> Collin Brendemuehl
> http://www.brendemuehl.net
> http://evangelicalperspective.blogspot.com
> http://philosophyforchristians.blogspot.com
>
> "He is no fool who gives what he cannot keep to gain what he cannot lose"
>  -- Jim Elliott
>
>
>   


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Re: Moral dilemma

[Tom Simpson]

As an individual, amateur photographer, I might have looked for 
interesting shots relating to the response to the call, but would not 
have shot the body itself. That is just more than a little morbid for 
me,  and kinda' disrespectful of both the deceased and his/her family.

If I were a news photographer, that would depend on the editorial policy 
of who I was shooting for. I am not sure I would work for a publication 
that made a point of publishing a lot of corpse photos, though.

-Tom
in SC

John Coyle wrote:
> What would you have done?
> Yesterday, a young man died in the small park opposite where I live.  The 
> street was full of police and their vehicles, for about 5 hours all told. 
> Despite the fact that I could see all this action, and from our roof could 
> see the body and the various examinations taking place, I did not shoot a 
> single photograph.
>
> I'll leave any further comment at this stage...
>
> John Coyle
> Brisbane, Australia 
>
>   


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Re: Selling on eBay

[Tom Simpson]

Whenever I have a auction go flaky, I just offer it to the next highest 
bidder or two, if their bids are reasonably high.

Its like any other marketspace...gotta take the bad with the good, and 
exercise due caution.

I've lost hundreds of dollars on eBay...and made thousands. :-)

-Tom



Mike Hamilton wrote:
> I have attempted, once again, to sell my DS on eBay.
>
> Once again, I have had a Nigerian Scammer attempt to scam me out of my camera.
>
> I will not sell on eBay.
>
> Repeat again.  I will not sell on eBay.
>
>   

















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Re: OT: Occupations?

[Tom Simpson]

A rather specialized one. We have people that keep up with the overhead 
projectors, TVs, all the old school stuff. And of course, the 16mm film 
and LaserDisc stuff is all long gone now...though we are still very deep 
in VHS. :-/

My bag is all the new toys that have computers hooked up to them. I make 
lessons MOVE and SING!  :-)

And this is after working for 15 years as a printer before going back 
and getting my BA (Interdisciplinary Studies, Administrative Information 
Management and Business Management, about 50/50) and my MAT (Business 
Education). Naturally, they put me in the classroom teaching US History. 
:-) Now, I play Train The Teacher. And no, I don't work with blackboards 
often...MOST of our teachers can manage that much without my help. :-)

Oh, and Pentax..*istD L, several each K1000, ME Super, Spotmatic. Fave 
lens of all time: the Pentax A 1.7 50mm. It just works, is all.

-Tom
in Sunny SC, USA


Bob Sullivan wrote:
> Tom,
> Sounds like you're the Professional A/V Guy...
> Regards,  Bob S.
>
> On 1/2/07, Tom Simpson <[EMAIL PROTECTED]> wrote:
>   
>> I am my districts guy that runs around setting up and teaching teachers
>> how to use things like electronic interactive whiteboards, LCD
>> projectors, streaming video, all the technology stuff that takes place
>> at the front of the modern classroom, and teaching them how to
>> seamlessly integrate it with other instructional methods. My way of
>> escaping (most of the way) the high school classroom and the ulcers that
>> go with it.
>>
>> -Tom
>>
>> Shel Belinkoff wrote:
>> 
>>> What is "instructional technology?"
>>>
>>> Shel
>>>
>>>
>>>
>>>
>>>   
>>>> [Original Message]
>>>> From: Tom Simpson
>>>>
>>>> 
>>>   
>>>> Social studies teacher / school district instructional technology
>>>> specialist.
>>>>
>>>> 
>>>
>>>
>>>   
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>>
>> 
>
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Re: OT: Occupations?

[Tom Simpson]

I am my districts guy that runs around setting up and teaching teachers 
how to use things like electronic interactive whiteboards, LCD 
projectors, streaming video, all the technology stuff that takes place 
at the front of the modern classroom, and teaching them how to 
seamlessly integrate it with other instructional methods. My way of 
escaping (most of the way) the high school classroom and the ulcers that 
go with it.

-Tom

Shel Belinkoff wrote:
> What is "instructional technology?"
>
> Shel
>
>
>
>   
>> [Original Message]
>> From: Tom Simpson 
>> 
>
>   
>> Social studies teacher / school district instructional technology 
>> specialist.
>> 
>
>
>
>   


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Re: OT: Occupations?

[Tom Simpson]

Social studies teacher / school district instructional technology 
specialist.

-Tom
in SC, USA

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Re: Official Full Frame Pentax Rumor - Technical Limitations of K Mount?

[Tom Simpson]

A lifelong Columbian, USC grad and ex-employee, now living out towards 
Lexington. Small world, eh? :-)

-Tom

Perry Pellechia wrote:
> On 12/21/06, Tom Simpson <[EMAIL PROTECTED]> wrote:
>   
>> Hi:
>>
>> Im kinda' new here, but one of the things I picked up in passing is that
>> the K-mount might be fundamentally incompatible with a full-frame DSLR?
>> Or did I miss something? If I didnt, please explain to me what the issue
>> is, as I was under the impression that if you put a sensor the size of a
>> 35mm frame in the same place in reference to the lens as a 35mm frame of
>> lens, it would all work out just peachy. Why not? I hope not, as I am
>> hoping that the bigger sensor will give the quantum physicists more to
>> work with to give us all the resolution we can eat AND bring dynamic
>> range more in line with film. From my understanding, this is likely an
>> either/or proposition with an APC sensor. Cant have both.
>>
>> TIA
>> -Tom in SC
>> 
>
> Hello Tom, from a fellow South Carolinian (transplant).  What part of
> the state are you in?  I work at USC and live in Columbia.  I have
> been mostly a lurker here for about three years.
>
> Welcome to the group.  There are a lot of helpful people here.
>
> Perry.
>
>   


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Re: Official Full Frame Pentax Rumor - Technical Limitations of K

[Tom Simpson]

Given what I am reading here, if the marketplace demands SR, and we want 
our installed base of lenses to still work properly, and you want  a 
sensor bigger than APC, then it may be the best deal you are going to 
get. Seems like otherwise, we are going to have to give up one of the 
above. Note that whatever you think of the expendability of SR, the 
market in general would probably overrule you. Sooo...unless you want to 
junk all your lenses...

-Tom
in SC

J. C. O'Connell wrote:
> I dont like the idea for anything between APS
> and FF. If your going to go bigger than APS, might as
> well go for the whole lens cirle which is about
> 2.25 times the area used now.
> jco
>   
>
>   


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Re: Official Full Frame Pentax Rumor - Technical Limitations of K

[Tom Simpson]

Well, they wouldn't have to go quite full-frame to get major 
improvements in IQ and still have enough leeway for SR excursion for the 
sensor, right?

How about, say,  a 9/10-size sensor with  x1.1 crop factor? Just what is 
max X/Y excursion of the sensor with SR engaged, anyway?

Tom
in SC


Mark Roberts wrote:
> David Savage wrote:
>
>   
>> The main argument at the moment is SR, as it is in the K100/10D,
>> wouldn't work. Supposedly current full frame Pentax lenses projected
>> image circle wouldn't be large enough to cover the moving sensor.
>>
>> As some people think that SR is more useful than a FF sensor, that's
>> their reason for thinking Pentax FF is a pipe dream.
>>
>> Time will tell.
>> 
>
> Pretty accurate summation.
> My feeling is that Pentax simply won't have any choice in the matter: 
> The demand for higher pixel counts and low noise will continue and it 
> will force sensor size increases. The marketplace will make the 
> decision for them.
>
>
>   


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Re: Official Full Frame Pentax Rumor - Technical Limitations of K Mount?

[Tom Simpson]

Hi:

Im kinda' new here, but one of the things I picked up in passing is that 
the K-mount might be fundamentally incompatible with a full-frame DSLR? 
Or did I miss something? If I didnt, please explain to me what the issue 
is, as I was under the impression that if you put a sensor the size of a 
35mm frame in the same place in reference to the lens as a 35mm frame of 
lens, it would all work out just peachy. Why not? I hope not, as I am 
hoping that the bigger sensor will give the quantum physicists more to 
work with to give us all the resolution we can eat AND bring dynamic 
range more in line with film. From my understanding, this is likely an 
either/or proposition with an APC sensor. Cant have both.

TIA
-Tom in SC

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Re: Pentax and HOYA merging

[Tom Simpson]

My thought is that this new conglomerate still does not have a 
"household name" consumer electronics component, which is one of the 
main things that Samsung brings to the table. I still see the 
Pentax-Samsung synergy thing as being very important to the future of 
Pentax products.

-Tom

John Celio wrote:
>>> October 1, 2007.
>>> Hoya issued a press release and while it says an equal partnering, actual
>>> merge format is consulted by UBS Security and Morgan Stanley, taking a 
>>> form
>>> of Pentax consolidated into Hoya.
>>> It also appears that medical-optics business of both companies was part of
>>> the synergy they are aiming for.  I also noted that both companies share 
>>> two
>>> trust banks as majority shareholders.
>>>   
>> Where does that leave Samsung?
>> 
>
> As far as I can remember from Hoya's dealer catalogs, none of their 
> companies make dSLRs, so the partnership with Samsung wouldn't be a threat 
> to them.  I don't think Samsung camera fans have anything to worry about.
>
>   


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Re: AF 1.7 converter

[Tom Simpson]

John Coyle wrote:

>Anyone have any ideas on current prices for this?  I just searched Ebay with 
>no luck on current auctions.
>
>John Coyle
>Brisbane, Australia 
>
>  
>
I just won one earlier today on eBay, a Tamron. Got it for a little over 
US$20  :-) Not too bad, eh?

-Tom
*istDL


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