RE: K-1 first impressions and lens tests

2017-02-25 Thread Malcolm Smith
Mark C wrote: My K-1 arrived last night. So far I've only been able to do some quick checks with the older FA and third party lenses I have on hand, but everything seems to work well with it. Some notes: - Size: not as hefty as I was expecting, though still larger than the K3. The 28-105 lens is

K-1 first impressions and lens tests

2017-02-25 Thread Mark C
My K-1 arrived last night. So far I've only been able to do some quick checks with the older FA and third party lenses I have on hand, but everything seems to work well with it. Some notes: - Size: not as hefty as I was expecting, though still larger than the K3. The 28-105 lens is pretty sma

Re: DXOMark Pentax Lens Tests

2012-11-21 Thread Jack Davis
I didn't notice the misspelling. What spelling grade do I get? Jack ;-)  - Original Message - From: David J Brooks To: Pentax-Discuss Mail List Cc: Sent: Wednesday, November 21, 2012 6:55 AM Subject: Re: DXOMark Pentax Lens Tests On Wed, Nov 21, 2012 at 12:26 AM, Larry Colen

Re: DXOMark Pentax Lens Tests

2012-11-21 Thread Jack Davis
ed to their published results as being "subjective." Suppose they are referring to the converting of measured results to print sizes. Jack   - Original Message - From: P. J. Alling To: Pentax-Discuss Mail List Cc: Sent: Wednesday, November 21, 2012 6:47 AM Subject: Re: DXOMark Pe

Re: DXOMark Pentax Lens Tests

2012-11-21 Thread David J Brooks
On Wed, Nov 21, 2012 at 12:26 AM, Larry Colen wrote: > > On Nov 20, 2012, at 2:04 PM, Jack Davis wrote: > >> I'm sort of in a funk after reading DXO's Pentax lens test results. Even >> allowing for some older MP and camera technology, as a test group they >> demonstrate pitiful performance. >> >

Re: DXOMark Pentax Lens Tests

2012-11-21 Thread P. J. Alling
Back in the antediluvian age of film, Modern Photography, or maybe it was Popular Photography after they absorbed Modern, adopted the 43mm limited as their reference lens because it was the best all around lens they had ever tested. That lens hasn't changed since then really, so testing criteri

Re: DXOMark Pentax Lens Tests

2012-11-21 Thread Jack Davis
;depression" is really "dismay." Jack - Original Message - From: Bulent Celasun To: Pentax-Discuss Mail List Cc: Sent: Wednesday, November 21, 2012 4:38 AM Subject: Re: DXOMark Pentax Lens Tests Jack, I also had a "very critical" attitude (to say it politely) t

Re: DXOMark Pentax Lens Tests

2012-11-21 Thread Bulent Celasun
; Jack > - Original Message - > From: Bulent Celasun > To: Pentax-Discuss Mail List > Cc: > Sent: Wednesday, November 21, 2012 12:30 AM > Subject: Re: DXOMark Pentax Lens Tests > > Are you aware that you can only compare the results of "similar" > (MP-wise) camera

Re: DXOMark Pentax Lens Tests

2012-11-21 Thread Jack Davis
12:30 AM Subject: Re: DXOMark Pentax Lens Tests Are you aware that you can only compare the results of "similar" (MP-wise) camera body-lens pairs? If you do so (and, compare K5 with D700 etc), the results are not much different. Remember, they are also the ones who scored the K5 "bo

Re: DXOMark Pentax Lens Tests

2012-11-21 Thread Jack Davis
That's completely contrary to my impression of test results for both Canon and Nikon. Jack  - Original Message - From: Larry Colen To: Pentax-Discuss Mail List Cc: Sent: Tuesday, November 20, 2012 9:32 PM Subject: Re: DXOMark Pentax Lens Tests On Nov 20, 2012, at 2:04 PM,

Re: DXOMark Pentax Lens Tests

2012-11-21 Thread Bulent Celasun
Are you aware that you can only compare the results of "similar" (MP-wise) camera body-lens pairs? If you do so (and, compare K5 with D700 etc), the results are not much different. Remember, they are also the ones who scored the K5 "body" higher than much more expensive C/N bodies. Bulent ---

Re: DXOMark Pentax Lens Tests

2012-11-20 Thread Larry Colen
On Nov 20, 2012, at 2:04 PM, Jack Davis wrote: > I'm sort of in a funk after reading DXO's Pentax lens test results. Even > allowing for some older MP and camera technology, as a test group they > demonstrate pitiful performance. I looked at a few Pentax lenses, then went and looked at some ni

Re: DXOMark Pentax Lens Tests

2012-11-20 Thread Larry Colen
On Nov 20, 2012, at 2:04 PM, Jack Davis wrote: > I'm sort of in a funk after reading DXO's Pentax lens test results. Even > allowing for some older MP and camera technology, as a test group they > demonstrate pitiful performance. > > I dare anyone to make me feel better? When they publish s

Re: DXOMark Pentax Lens Tests

2012-11-20 Thread Bob Sullivan
these particular > testers. > > Comments appreciated, Igor. > > Jack > > > - Original Message - > From: Igor Roshchin > To: PDML@pdml.net > Cc: > Sent: Tuesday, November 20, 2012 5:46 PM > Subject: Re: DXOMark Pentax Lens Tests > > > Jack, >

Re: DXOMark Pentax Lens Tests

2012-11-20 Thread Jack Davis
, Igor. Jack - Original Message - From: Igor Roshchin To: PDML@pdml.net Cc: Sent: Tuesday, November 20, 2012 5:46 PM Subject: Re: DXOMark Pentax Lens Tests Jack, Maybe experience-based (!) personal opinions of many people about various Pentax lenses would help you: http://stans

Re: DXOMark Pentax Lens Tests

2012-11-20 Thread Jack Davis
Without going back to check, I believe there were 3 ugly pages. Jack   - Original Message - From: Paul Stenquist To: Pentax-Discuss Mail List Cc: Sent: Tuesday, November 20, 2012 4:38 PM Subject: Re: DXOMark Pentax Lens Tests It appears that only a very few Pentax lenses have been

Re: DXOMark Pentax Lens Tests

2012-11-20 Thread Jack Davis
OK, that did it. Thanks, Dave! ;-)) Jack   - Original Message - From: David Savage To: Pentax-Discuss Mail List Cc: Sent: Tuesday, November 20, 2012 2:25 PM Subject: Re: DXOMark Pentax Lens Tests On 21 November 2012 06:04, Jack Davis wrote: > > I dare anyone to make me feel

Re: DXOMark Pentax Lens Tests

2012-11-20 Thread Igor Roshchin
Jack, Maybe experience-based (!) personal opinions of many people about various Pentax lenses would help you: http://stans-photography.info/ . While, naturally, it might be skewed and not objective, what ultimately matters is your own experience with the lenses. For the lenses that you alread

Re: DXOMark Pentax Lens Tests

2012-11-20 Thread P. J. Alling
Their test results seem to run counter to most other sites, so there's that. On 11/20/2012 5:04 PM, Jack Davis wrote: I'm sort of in a funk after reading DXO's Pentax lens test results. Even allowing for some older MP and camera technology, as a test group they demonstrate pitiful performance

Re: DXOMark Pentax Lens Tests

2012-11-20 Thread Paul Stenquist
It appears that only a very few Pentax lenses have been tested. On Nov 20, 2012, at 5:04 PM, Jack Davis wrote: > I'm sort of in a funk after reading DXO's Pentax lens test results. Even > allowing for some older MP and camera technology, as a test group they > demonstrate pitiful performance.

Re: DXOMark Pentax Lens Tests

2012-11-20 Thread David Savage
On 21 November 2012 07:23, Charles Robinson wrote: > On Nov 20, 2012, at 16:25 , David Savage wrote: > >> On 21 November 2012 06:04, Jack Davis wrote: >>> >>> I dare anyone to make me feel better? >> >> >> > > Me and my shared work-cube environment only got a gl

Re: DXOMark Pentax Lens Tests

2012-11-20 Thread Charles Robinson
On Nov 20, 2012, at 16:25 , David Savage wrote: > On 21 November 2012 06:04, Jack Davis wrote: >> >> I dare anyone to make me feel better? > > > Me and my shared work-cube environment only got a glimpse at that before closing. Warning, y'all. (I will save

Re: DXOMark Pentax Lens Tests

2012-11-20 Thread David Savage
On 21 November 2012 06:04, Jack Davis wrote: > > I dare anyone to make me feel better? :-P DS -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and

Re: DXOMark Pentax Lens Tests

2012-11-20 Thread David J Brooks
On Tue, Nov 20, 2012 at 5:19 PM, Charles Robinson wrote: > On Nov 20, 2012, at 16:04 , Jack Davis wrote: > >> I'm sort of in a funk after reading DXO's Pentax lens test results. Even >> allowing for some older MP and camera technology, as a test group they >> demonstrate pitiful performance. >>

Re: DXOMark Pentax Lens Tests

2012-11-20 Thread Charles Robinson
On Nov 20, 2012, at 16:04 , Jack Davis wrote: > I'm sort of in a funk after reading DXO's Pentax lens test results. Even > allowing for some older MP and camera technology, as a test group they > demonstrate pitiful performance. > > I dare anyone to make me feel better? I guess it all depen

DXOMark Pentax Lens Tests

2012-11-20 Thread Jack Davis
I'm sort of in a funk after reading DXO's Pentax lens test results. Even allowing for some older MP and camera technology, as a test group they demonstrate pitiful performance.   I dare anyone to make me feel better?   Jack -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman

RE: Found Converter K and screwing again (warning, lens tests!)

2009-04-01 Thread JC OConnell
nnell hifis...@gate.net -Original Message- From: pdml-boun...@pdml.net [mailto:pdml-boun...@pdml.net] On Behalf Of Bill Lawlor Sent: Wednesday, April 01, 2009 8:24 PM To: pdml@pdml.net Subject: Re: Found Converter K and screwing again (warning, lens tests!) Thanks to those who of

Re: Found Converter K and screwing again (warning, lens tests!)

2009-04-01 Thread Bill Lawlor
Thanks to those who offered suggestions. I found my screwmount to K converter in a box of Canon FD lenses. (What was I thinking.?) I wanted to try a favorite Spotmatic lens on my K10D. It's a Carl Zeiss Jena 25mm 1:4 Flektogon. A mighty glass using 77mm filter. I got it at a flea market in R

Pentax lens tests

2007-07-19 Thread P. J. Alling
Might be of some interest to someone... http://ca.geocities.com/spirope/pentlens.html -- All dogs have four legs; my cat has four legs. Therefore, my cat is a dog. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net

Re: Photozone.de ultrawide lens tests...

2007-06-02 Thread John Whittingham
t; the lens system with a "alien" lens group which doesn't contribute anything to the image quality and which may decrease the long term reliability of the lens (as many Canon IS and Nikkor VR lens tests have shown to date).." Glad I bought the K10D, great camera. Jus

Re: Photozone.de ultrawide lens tests...

2007-06-01 Thread Jack Davis
...and I think sample variation may well cover any slight MTF differences. BTW, I included the Tamron $1100 price as a negative. :-) Jack --- Godfrey DiGiorgi <[EMAIL PROTECTED]> wrote: > Yes. But 40% more on price, 50% more on weight, larger too. AND I > could not find a single person (at the

Re: Photozone.de ultrawide lens tests...

2007-06-01 Thread Godfrey DiGiorgi
Yes. But 40% more on price, 50% more on weight, larger too. AND I could not find a single person (at the time I was looking for one in 2004) who had any experience at all with the Tamron nor any examples of its rendering qualities. Still haven't seen more than two or three photos taken with

Re: Photozone.de ultrawide lens tests...

2007-06-01 Thread Jack Davis
Compared Photozone MTF tests results on the DA 14 and the Tamron 14. Tamron superior f/2.8 through f/5.6, but DA slightly superior at f/8 and 11. (Have seen the Tamron priced at 'prox $1100). Jack --- Godfrey DiGiorgi <[EMAIL PROTECTED]> wrote: > Klaus has tested both the Pentax DA14 and DA12-2

Re: Photozone.de ultrawide lens tests...

2007-06-01 Thread Thibouille
Of course the DA14 us faster but another little difference (might be critical for some I dunno) is the that when the AF focus the DA14, the focussing ring does NOT move (just like DFAs). IMO this is very important, but that's just me. -- Thibault Massart aka Thibouille -- K10

Re: Photozone.de ultrawide lens tests...

2007-06-01 Thread Godfrey DiGiorgi
Yes, it is interesting ... the 12-24 shows somewhat more balanced, if slightly lower, performance at the 18 and 24mm mark. The 14 seems to hold slightly better overall performance between f/5.6 and f/8 if we can interpolate between the 12-24's 12 and 18 mm marks. The 14's CA seems substanti

Re: Photozone.de ultrawide lens tests...

2007-06-01 Thread pnstenquist
Interesting results. I was surprised to see that the 12-24 shows slightly higher resolution at f4 and f5.6. In fact,the 12-24 at its optimum aperture shows higher resolution than the 14/2.8 at its optimum . Although with both lenses at f8, the DA14 shows a bit of an advantage. Paul

Photozone.de ultrawide lens tests...

2007-06-01 Thread Godfrey DiGiorgi
Klaus has tested both the Pentax DA14 and DA12-24 lenses now: http://www.photozone.de/8Reviews/lenses/pentax_1224_4/index.htm http://www.photozone.de/8Reviews/lenses/pentax_14_28/index.htm Klaus' formal bench testing matches my informal testing impressions almost exactly. Summary: both are exc

Re: lens tests (Pentax and others as well)

2007-04-24 Thread frank theriault
On 4/23/07, Godfrey DiGiorgi <[EMAIL PROTECTED]> wrote: > For those addicted to lens tests, > > http://www.photozone.de/8Reviews/#pentax > > has now started testing Pentax lenses. Right now they've got only the > FA50/1.4 and DA18-55/3.5-5.6 up, but it looks like

Re: lens tests (Pentax and others as well)

2007-04-24 Thread mike wilson
Mark Roberts wrote: > Godfrey DiGiorgi wrote: > > >>On Apr 23, 2007, at 6:06 PM, AlexG wrote: >> >>>Pardon my ignorance? >>>Why do you say Photodo is misleading? >> >>- Because I find the test results there inaccurate based upon my use >>of lenses that they've tested. >>- Because their graphs

Re: lens tests (Pentax and others as well)

2007-04-24 Thread Kenneth Waller
> It's my opinion. You don't have to agree with me. MARK ! Kenneth Waller - Original Message - From: "Godfrey DiGiorgi" <[EMAIL PROTECTED]> Subject: Re: lens tests (Pentax and others as well) > On Apr 23, 2007, at 6:06 PM, AlexG wrote: >>

Re: lens tests (Pentax and others as well)

2007-04-24 Thread Mark Roberts
Godfrey DiGiorgi wrote: >On Apr 23, 2007, at 6:06 PM, AlexG wrote: >> Pardon my ignorance? >> Why do you say Photodo is misleading? > >- Because I find the test results there inaccurate based upon my use >of lenses that they've tested. >- Because their graphs don't make much sense. >- Because pe

Re: lens tests (Pentax and others as well)

2007-04-23 Thread Godfrey DiGiorgi
On Apr 23, 2007, at 6:06 PM, AlexG wrote: > Pardon my ignorance? > Why do you say Photodo is misleading? - Because I find the test results there inaccurate based upon my use of lenses that they've tested. - Because their graphs don't make much sense. - Because people take their word as some kin

Re: lens tests (Pentax and others as well)

2007-04-23 Thread AlexG
Pardon my ignorance? Why do you say Photodo is misleading? On 4/23/07, Godfrey DiGiorgi <[EMAIL PROTECTED]> wrote: > For those addicted to lens tests, > > http://www.photozone.de/8Reviews/#pentax > > has now started testing Pentax lenses. Right now they've got only

lens tests (Pentax and others as well)

2007-04-23 Thread Godfrey DiGiorgi
For those addicted to lens tests, http://www.photozone.de/8Reviews/#pentax has now started testing Pentax lenses. Right now they've got only the FA50/1.4 and DA18-55/3.5-5.6 up, but it looks like they're going to do a fair sampling of the rest. Disclaimer: I'm not a fan

Re: More lens tests....

2005-04-04 Thread Jostein
- Original Message - From: "Mishka" <[EMAIL PROTECTED]> btw, on the USAF chart, at the same 4..5' distance, my $150 rolleicord scores 69 lpmm. on provia100, which is not exactly the highest-res film. What films do you consider to be high-res? Cheers, Jostein

Re: More lens tests....

2005-04-04 Thread Frantisek
Hi Fred, your test is unfortunately invalidated by bad HTML - the browser does resize most of the pictures to a different size... this is shown as jaggies on most images. For example, the 28-90 : http://www.ist.uwaterloo.ca/~fwwidall/LensTest/fa2890.jpg"; width=500 class=border >

Re: More lens tests....

2005-04-03 Thread Mishka
i suppose, it's digital sensor that equalizes all the lenses. they all give the resolution (lpmm) numbers, computed from your description and the pictures, around 52 lpmm, except 55mm tak that goes a bit higher. the only real difference is in contrast. btw, on the USAF chart, at the same 4..5' dis

Re: More lens tests....

2005-04-03 Thread Jack Davis
To prove that my eyes are older than yours Fred: 2,6,1,3,5,4 Jack --- Fred Widall <[EMAIL PROTECTED]> wrote: > Since lots of people are testing lenses at present I > thought I'd join > in - hope you don't mind. Besides its a really > crappy day here with > lots of snow and high winds, so what else

More lens tests....

2005-04-03 Thread Fred Widall
Since lots of people are testing lenses at present I thought I'd join in - hope you don't mind. Besides its a really crappy day here with lots of snow and high winds, so what else is there to do. I pinned up a print out of the USAF target to my wall (approx four feet from the camera), mounted my *

Re: Various Lens Tests (may be long)

2005-03-06 Thread Joseph Tainter
The only question I have is, can you tell us there was no focus error for the tests you conducted? Did you rely on AF, MF, or MF with magnifier? Just curious. If DA14 didn't perform that well, I wonder how it compared to K/A15/3.5. Alan, I used autofocus, except for the Zenitar, of cou

Re: Various Lens Tests (may be long)

2005-03-06 Thread Joseph Tainter
"Good work Joe. I would love to see the M or A 15mm thrown into the mix... "Vic " If someone wants to send me one I'd be happy to test it. Joe

Re: Various Lens Tests (may be long)

2005-03-06 Thread Pentxuser
Good work Joe. I would love to see the M or A 15mm thrown into the mix... Vic

Re: Various Lens Tests (may be long)

2005-03-06 Thread Jostein
- Original Message - From: "David Oswald" <[EMAIL PROTECTED]> Also, has anyone yet had their hands on the DA 50-200? ...or does it currently only exist on the Pentax website? ;) Seen it behind glass, and talked to a guy who had an early sample with him to Africa for holidays. He was per

Re: Various Lens Tests (may be long)

2005-03-06 Thread Jostein
n" <[EMAIL PROTECTED]> To: Sent: Sunday, March 06, 2005 5:34 AM Subject: Re: Various Lens Tests (may be long) Hi! Joe, that was one fascinating reading, at least to me. I suggest you obtain another instance of Zenitar and try it. My belief is that Zenitars suffer from sample variation. Your s

Re: Various Lens Tests (may be long)

2005-03-06 Thread mike wilson
Don Sanderson wrote: That's interesting info Joe. The only 2 of these I own are the Zenitar and the DA 16-45. I've been quite disappointed in the Zenitar in terms of contrast and overall image quality compared to the DA at 16mm. Distortion not withstanding, I've found the images from the Zenitar to

Re: Various Lens Tests (may be long)

2005-03-06 Thread Alan Chan
The only question I have is, can you tell us there was no focus error for the tests you conducted? Did you rely on AF, MF, or MF with magnifier? Just curious. If DA14 didn't perform that well, I wonder how it compared to K/A15/3.5. --- Joseph Tainter <[EMAIL PROTECTED]> wrote: > Today I tested v

Re: Various Lens Tests (may be long)

2005-03-05 Thread David Oswald
Thanks for posting your findings. They were really helpful. I've got an FA 20-35 and love it, but have recently been considering replacing the 18-55 with the 16-45. I wonder if there is anyone out there who could give a little comparison of the 18-55 vs 16-45. I think that the answer is pro

Re: Various Lens Tests (may be long)

2005-03-05 Thread Boris Liberman
Hi! Joe, that was one fascinating reading, at least to me. I suggest you obtain another instance of Zenitar and try it. My belief is that Zenitars suffer from sample variation. Your sample could be among the best... We need to ask Jostein about DA 16-45. He recently got one and may have somethi

RE: Various Lens Tests (may be long)

2005-03-05 Thread Don Sanderson
on the DA. Love to get a look at one of those 20's someday though. ;-) Don > -Original Message- > From: Joseph Tainter [mailto:[EMAIL PROTECTED] > Sent: Saturday, March 05, 2005 5:38 PM > To: pdml > Subject: Various Lens Tests (may be long) > > > Today I te

Various Lens Tests (may be long)

2005-03-05 Thread Joseph Tainter
Today I tested various lenses on an adobe (mud brick) wall. This is a good subject because such walls have joints, cracks, mortar, rock inclusions, etc., that give lots of details. All shots were done on a tripod, in RAW, then compared onscreen at actual pixels. The only thing done to the image

Re: Lighter, Slower, More Expensive (more lens tests)

2004-06-08 Thread Frantisek Vlcek
JT> Conclusion: Ths Sigma's poor performance wide open, along with its size JT> and weight, mean that it will not be part of my traveling kit. I tested three specimen of the lens as well, and can only agree. The lens gets nice by 2.8 and quite better at 4-5.6, but from 1.8-2.8 it's unusable for la

Re: FW: PDML : Vivitar 19mm (was: MIR-47K 20mm f2.8 lens tests or experiences)

2004-01-30 Thread Nick Clark
have been totally satisfied with it. So long as you avoid flare it's a great lens. Nick -Original Message- From: "Keith Whaley"<[EMAIL PROTECTED]> Sent: 29/01/04 18:54:46 To: "[EMAIL PROTECTED]"<[EMAIL PROTECTED]> Subject: Re: FW: PDML :

Re: FW: PDML : Vivitar 19mm (was: MIR-47K 20mm f2.8 lens tests or experiences)

2004-01-29 Thread Keith Whaley
keith whaley > > -Original Message- > From: "Fox, Paul"<[EMAIL PROTECTED]> > Sent: 26/01/04 09:25:42 > To: "[EMAIL PROTECTED]"<[EMAIL PROTECTED]> > Subject: PDML : Vivitar 19mm (was: MIR-47K 20mm f2.8 lens tests or experiences) > > Hi Nick

Re: FW: PDML : Vivitar 19mm (was: MIR-47K 20mm f2.8 lens tests or experiences)

2004-01-28 Thread Rob Studdert
sage- > From: "Fox, Paul"<[EMAIL PROTECTED]> > Sent: 26/01/04 09:25:42 > To: "[EMAIL PROTECTED]"<[EMAIL PROTECTED]> > Subject: PDML : Vivitar 19mm (was: MIR-47K 20mm f2.8 lens tests or experiences) > > Hi Nick, > i can back it up: > It's a p

Re: FW: PDML : Vivitar 19mm (was: MIR-47K 20mm f2.8 lens tests or experiences)

2004-01-28 Thread frank theriault
Shel, I figured I better throw that line in there as a "pre-emptive strike". - the oof-meister "The optimist thinks this is the best of all possible worlds. The pessimist fears it is true." -J. Robert Oppenheimer From: Shel Belinkoff <[EMAIL PROTECTED]> Indeed ... (good natured jibe)

Re: FW: PDML : Vivitar 19mm (was: MIR-47K 20mm f2.8 lens tests or experiences)

2004-01-28 Thread Shel Belinkoff
Indeed ... (good natured jibe) OOF frank theriault wrote: > OTOH, if you've seen some of my photos, you'll know that sharpness isn't my > Holy Grail...

RE: FW: PDML : Vivitar 19mm (was: MIR-47K 20mm f2.8 lens tests or experiences)

2004-01-28 Thread frank theriault
pness isn't my Holy Grail... cheers, frank "The optimist thinks this is the best of all possible worlds. The pessimist fears it is true." -J. Robert Oppenheimer From: "Nick Clark" <[EMAIL PROTECTED]> Reply-To: [EMAIL PROTECTED] To: <[EMAIL PROTECTED]> Subje

Re: MIR-47K 20mm f2.8 lens tests or experiences

2004-01-26 Thread mishka
> Anyone confirm, I don't dare think of the risks > Seems also that 1 of the supplied rear filters HAVE to be used all the > time, since they're part of the optical system. > How come ? i used to have one, then sold it, when the diafragm became slow. it is optically excellent, has some (not much) c

Russian manuals Was:Re: MIR-47K 20mm f2.8 lens tests or experiences

2004-01-26 Thread mike wilson
Hi, Boris Liberman wrote: > If anyone needs to have some parts of their russian manual lens > translated I would be happy to help. I think that parts such as > explanation how to mount or dismount the lens and/or similar require > no translation. I have an English translation of the Zenit 16mm ma

Re: MIR-47K 20mm f2.8 lens tests or experiences

2004-01-26 Thread Boris Liberman
Hi! If anyone needs to have some parts of their russian manual lens translated I would be happy to help. I think that parts such as explanation how to mount or dismount the lens and/or similar require no translation. But special stuff - feel free to e-mail me the scans of the manual. HTH. Boris

Re: MIR-47K 20mm f2.8 lens tests or experiences

2004-01-26 Thread Chris Stoddart
Ian, I've got one of these, which I have had for a couple of years. I've been told by two people that there has to be a filter on all the time as it is part of the optical formula. However: 1. I got a Russian colleague to read the manual. He says it makes no mention of the filter being necess

Re: Vivitar 19mm (was: MIR-47K 20mm f2.8 lens tests or experiences)

2004-01-26 Thread Paul Stenquist
imist thinks this is the best of all possible worlds. The pessimist fears it is true." -J. Robert Oppenheimer From: Keith Whaley <[EMAIL PROTECTED]> Reply-To: [EMAIL PROTECTED] To: [EMAIL PROTECTED] Subject: Re: Vivitar 19mm (was: MIR-47K 20mm f2.8 lens tests or experiences) Date: S

Re: Vivitar 19mm (was: MIR-47K 20mm f2.8 lens tests or experiences)

2004-01-26 Thread Paul Stenquist
t out more often. cheers, frank "The optimist thinks this is the best of all possible worlds. The pessimist fears it is true." -J. Robert Oppenheimer From: Keith Whaley <[EMAIL PROTECTED]> Reply-To: [EMAIL PROTECTED] To: [EMAIL PROTECTED] Subject: Re: Vivitar 19mm (was: M

Re: Vivitar 19mm (was: MIR-47K 20mm f2.8 lens tests or experiences)

2004-01-25 Thread Andre Langevin
I'll ditto that comment, Nick. I got mine some time ago. I went in for a Pentqx W/A. The old camera shop owner told me he didn't have one, but to try this Vivitar, and see what I think. He discounted it handsomely and said he'd take it back if I didn't like it. He'll NEVER get it back! That is a

Re: Vivitar 19mm (was: MIR-47K 20mm f2.8 lens tests or experiences)

2004-01-25 Thread frank theriault
ers, frank "The optimist thinks this is the best of all possible worlds. The pessimist fears it is true." -J. Robert Oppenheimer From: Keith Whaley <[EMAIL PROTECTED]> Reply-To: [EMAIL PROTECTED] To: [EMAIL PROTECTED] Subject: Re: Vivitar 19mm (was: MIR-47K 20mm f2.8 lens t

Re: Vivitar 19mm (was: MIR-47K 20mm f2.8 lens tests or experiences)

2004-01-25 Thread Keith Whaley
04 20:36:41 > To: "[EMAIL PROTECTED]"<[EMAIL PROTECTED]> > Subject: MIR-47K 20mm f2.8 lens tests or experiences > Fellow pentaxphiles > There seems to be a growing number of russian lenses arriving on the scenes, > and some notable specialists such as Herbert Keppler, seem to suggest they > can be great value. [snipped]

Re: MIR-47K 20mm f2.8 lens tests or experiences

2004-01-25 Thread Steve Jolly
I assume you mean f2.5? I bought one a couple of weeks ago and it's now in the post from Russia - I'll post some comments and photos to the list when it arrives. :-) http://ratx.narod.ru/tests/mir47k/ # this is the page that persuaded me to buy it. (No knowledge of Russian required...) WRT y

Vivitar 19mm (was: MIR-47K 20mm f2.8 lens tests or experiences)

2004-01-25 Thread Nick Clark
I use the excellent Vivitar 19mm f3.8. A bit slower but a superb lens that's rarely out of my camera bag. Nick -Original Message- From: "Ian bromehead"<[EMAIL PROTECTED]> Sent: 25/01/04 20:36:41 To: "[EMAIL PROTECTED]"<[EMAIL PROTECTED]>

MIR-47K 20mm f2.8 lens tests or experiences

2004-01-25 Thread Ian bromehead
Fellow pentaxphiles There seems to be a growing number of russian lenses arriving on the scenes, and some notable specialists such as Herbert Keppler, seem to suggest they can be great value. I'm taking my time searching for reasonably priced wide angle/fisheye, clearly this type of glass means lo

Re: Lens Tests

2003-12-17 Thread Bruce Dayton
Compare the Quantaray models with Sigma. They have been the main manufacturer for Ritz on those. If you can find a match, then look for reviews on the Sigma version. -- Best regards, Bruce Tuesday, December 16, 2003, 6:48:58 AM, you wrote: MWMK> Hey gang, MWMK> I'm trying to research s

Re: Lens tests Pentax 20-35 & 100/2.8 Macro

2003-12-03 Thread Bruce Dayton
Joe, Could you go into a little more detail concerning your test of the FA 20-35/4 and the F 17-28 fisheye? Those are two lenses I have been considering for my *istD. I have used the Fisheye zoom on film cameras so would be interested to know if it performed about on par with your previous film

Re: Lens tests Pentax 20-35 & 100/2.8 Macro

2003-12-03 Thread Joseph Tainter
When I first got my starkistdee, I tested several lenses on it at about 28-31 mm: FA 20-35, Tokina AT-X AF Pro 28-80 f2.8; FA 31; and F 17-28. My subjective impression was that the FA 20-35 won the day for image quality on this limited test. That said, it's zoom range is ultimately too narrow f

Lens tests Pentax 20-35 & 100/2.8 Macro

2003-12-02 Thread RDJ92807
I've been conducting many lens tests on my ist-Dwhich is now easier with digital! One clear conclusion is that the Pentax 20-35/4 lens is perfect for the ist-D. I cannot find a lens in it's range (zoom or prime) which beats it.period. I think getting the cheaper FAJ or the

lens tests (long!)

2003-10-21 Thread edwin
As promised, the results of my lens testing program. Tests run on something like a PDML resolution test rig (array of USAF targets, t-max 100 B&W film, good tripod, cable release, roughly 50 focal lengths focus distance, 10x loupe, etc) with the intention of producing a subjective rating rath

Re: photodo lens tests

2003-08-14 Thread Joseph Tainter
I assume that they have stopped. Joe

photodo lens tests

2003-08-11 Thread Reg Wiest
Does anyone know if photodo still tests lens? There have been no updates since June 2000. RW

Re: Lens Tests

2003-06-06 Thread RDJ92807
My extensive tests on the Tokina 28-80 confirm similar findings.very sharp thru the entire range, often as good or better than fixed lenses. Robert James In a message dated 6/5/03 9:13:47 AM, [EMAIL PROTECTED] writes: > The Tokina 28-80 is clearly a winner. >- Prime lenses do not necessar

Re: Joe's Homemade Lens Tests

2003-06-06 Thread Herb Chong
sts. Herb... - Original Message - From: "Joseph Tainter" <[EMAIL PROTECTED]> To: "pdml" <[EMAIL PROTECTED]> Cc: "Joseph Tainter" <[EMAIL PROTECTED]> Sent: Thursday, May 29, 2003 16:03 Subject: Joe's Homemade Lens Tests > It is

Joe's Homemade Lens Tests

2003-06-06 Thread Joseph Tainter
I wanted to do some sharpness tests on my Tokina and Arsat lenses (see lens list below). While I was at it, I decided to compare some other lenses as well. Some of the results are interesting enough to share. Here's what I did: Subject is the front of the old (1870) church in Corrales, New Mexi

Re: Lens tests (was: Pentax <--> Canon)

2003-03-24 Thread Pentxuser
I'd like to throw my 2 cents into this. Whether a lens is slightly better than another makes little difference to me. Generally speaking, all lenses made by major manufacturers are close when compared to one another. With maybe a few exceptions, the differences are minor and could not be seen on

RE: Lens tests (was: Pentax <--> Canon)

2003-03-24 Thread tom
> -Original Message- > From: Raimo Korhonen [mailto:[EMAIL PROTECTED] > > > No lens line can be described as superior (except Leica > perhaps). All lines have good, mediocre and poor - and some > excellents like Pentax Limiteds. Finally, someone with a reasonable opinion. tv

Vs: Lens tests (was: Pentax <--> Canon)

2003-03-24 Thread Raimo Korhonen
<[EMAIL PROTECTED]> Vastaanottaja: [EMAIL PROTECTED] <[EMAIL PROTECTED]> Päivä: 23. maaliskuuta 2003 23:00 Aihe: Re: Lens tests (was: Pentax <--> Canon) >>To get an idea of how meaningless most lens tests are, read Mike >>Johnston's excellent article on lens contrast

Re: Lens tests (was: Pentax <--> Canon)

2003-03-23 Thread Roland Mabo
they doing here then?) I've read lens tests for the last 14 years (Aktuell Fotografi, FOTO, Practical Photography, Popular Photography, Buying Camera (they merged with Practical Photography for some years ago)), and the general conclusion I can get from them is that Pentax usually is at the

Re: Lens tests (was: Pentax <--> Canon)

2003-03-23 Thread Alan Chan
To get an idea of how meaningless most lens tests are, read Mike Johnston's excellent article on lens contrast and MTF on the Luminous Landscape web site: http://www.luminous-landscape.com/tutorials/understanding-series/lens-contrast.shtml I agree that lens tests don't mean much in p

Re: Another online summary of 50mm lens tests

2002-06-30 Thread Mishka
For the translation from Chinese to English, http://babelfish.altavista.com/urltrurl?tt=url&url=http%3A%2F%2Fwww.xitek.com%2Ftestreport%2Fxitek%2Fbiaotou.htm&lp=zh_en&doit=done&urltext= Best, Mishka > From: Paul F. Stregevsky > Subject: Another online summary of 50mm l

Another online summary of 50mm lens tests

2002-06-30 Thread Paul F. Stregevsky
http://www.xitek.com/testreport/xitek/biaotou.htm It's in an Asian language. There are three charts. Chart 1 compares measured focal length, measured max. aperture, distortion, and EV (EV light loss?). Results are from Modern Photography. Chart 2 compares center and corner resolution. I can't

Re: Popular Photography Pentax Lens Tests

2002-05-18 Thread Joseph Tainter
Thanks for the Grandfather Mountain invite, Mark. One of these times Joe - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .

Re: Popular Photography Pentax Lens Tests

2002-05-18 Thread Mark Roberts
Joseph Tainter <[EMAIL PROTECTED]> wrote: >FA 80-200 f2.8. Incredible. Sharp wide open across the zoom range. Can I >afford this lens? Do I want to carry it's weight? Once you've used it and seen the results, the weight becomes a non-issue. Price? Well, it's a non-issue *after* you've bought it

Popular Photography Pentax Lens Tests

2002-05-17 Thread Joseph Tainter
I ordered some old tests. I generally rate lenses for sharpness by their performance at 8 x 10 inch enlargements, the maximum size produced by my Epson 870. Here's some of the interesting things I learned: FA Power Zoom 28-105 f4-5.6. We all know this is a great lens, Well, it's even surprisingly

Re: Info on Chasseur d'Images lens tests?

2002-04-17 Thread Pål Audun Jensen
>So, whhat does "outstanding", "very good" and on down to "poor" mean in CdI >parlance, anyway? You should ignore CDI at all cost since they have the habit of being 180 degrees off on anything Pentax. That means that the good lenses turns out bad and vice versa. Pål - This message is from the

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