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amsp
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« Reply #1 on: February 04, 2008, 11:16:20 AM » |
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"error 404" when you click the cwds pics.
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rainer_v
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« Reply #3 on: February 04, 2008, 12:01:13 PM » |
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which lenses did you use? schneider? rodenstock ? mamiya ? contax ? H ?
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Mort54
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« Reply #4 on: February 04, 2008, 01:19:29 PM » |
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Alright, so we are a bit masochistic here at Capture Integration, but we are going to post another comparison. Thanks Chris for taking the time to do this. It's great to see these comparisons - it gets us away from the purely subjective opinions. Now, if the MF camera isn't a Mamiya 645, then it sure would be nice if you could add a Mamiya to the comparison :-) Also (you knew there would have to be an "also"), it sure would be nice to see the same shots with a 35mm Rodenstock HR lens on an Alpa kit (I believe you guys sell Alpa's). Thanks again.
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I Reject Your Reality And Substitute My Own
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clawery
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« Reply #5 on: February 04, 2008, 01:39:36 PM » |
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Thanks Chris for taking the time to do this. It's great to see these comparisons - it gets us away from the purely subjective opinions. Now, if the MF camera isn't a Mamiya 645, then it sure would be nice if you could add a Mamiya to the comparison :-) Also (you knew there would have to be an "also"), it sure would be nice to see the same shots with a 35mm Rodenstock HR lens on an Alpa kit (I believe you guys sell Alpa's). Thanks again. [{POST_SNAPBACK}][/a]We are an Alpa dealer and I'll have to see if can add it to the mix in our next test. Chris Lawery Title, Capture Integration [a href=\"http://www.captureintegration.com]Capture Integration, Phase One Dealer of the Year[/url] 877-217-9870 | National 404-234-5195 | Cell Sign up for our Newsletter | Read Our Latest Newsletter
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MarkKay
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« Reply #6 on: February 04, 2008, 04:26:59 PM » |
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Chris. I do not believe there is going to be too much issue if you list which MF camera/lenses you used for the study. I think most people have seen some data suggesting that the digital/digitar lenses give more resolving power with the higher end digital backs.
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Graham Mitchell
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« Reply #7 on: February 05, 2008, 01:27:10 AM » |
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I compared the right side window at f8 and it wasn't even a close race. The Digitar was better in every way and seems to be taking full advantage of the P45. In fact I would bet that a P25 plus Digitar would give a better image quality than this MF camera and P45 combination. Just another reminder that it's not all about megapixels 
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« Last Edit: February 05, 2008, 01:49:46 AM by foto-z »
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stefan marquardt
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« Reply #8 on: February 05, 2008, 01:35:15 AM » |
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chris, would you be so kind as to let me know which slr 35mm lens you used? hasselblad? and was it (software-) distortion corrected? (I am asking because I am in the market for one)
thanks stefan
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rainer_v
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« Reply #9 on: February 05, 2008, 02:27:19 AM » |
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I compared the right side window at f8 and it wasn't even a close race. The Digitar was better in every way and seems to be taking full advantage of the P45. In fact I would bet that a P25 plus Digitar would give a better image quality than this MF camera and P45 combination. Just another reminder that it's not all about megapixels  [a href=\"index.php?act=findpost&pid=172405\"][{POST_SNAPBACK}][/a] yes but the whole zones downside including the lower left and right corner are better from the "normal" 35mm, including the center of the image. strange.
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« Last Edit: February 05, 2008, 03:41:01 AM by rainer_v »
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MarkKay
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« Reply #10 on: February 05, 2008, 03:22:08 AM » |
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I bet it is the mamiya.. only because of the Mamiya-Phase relationship chris, would you be so kind as to let me know which slr 35mm lens you used? hasselblad? and was it (software-) distortion corrected? (I am asking because I am in the market for one)
thanks stefan [a href=\"index.php?act=findpost&pid=172406\"][{POST_SNAPBACK}][/a]
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stefan marquardt
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« Reply #11 on: February 05, 2008, 05:20:12 AM » |
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I bet it is the mamiya.. only because of the Mamiya-Phase relationship [a href=\"index.php?act=findpost&pid=172418\"][{POST_SNAPBACK}][/a] if it´s the mamiya, then it doesn´t show the same amount (of barrel) distortion my old, manual 35mm has. and edge sharpness seems to be better than my one. (which seem to coincide with what somebody from mamiya germany told me last week: that - even thought the lenscalculations are the same from the old 35mm - they probably use a newer kind of glass for the af 35mm. or perhaps I just have a bad sample lens.) looking at the pic again, the lack of distortion and of (stronger) CA would indicate to me that it´s the - perhaps software-corrected - 35mm hasselblad lens. stefan
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« Last Edit: February 05, 2008, 05:53:04 AM by stefan marquardt »
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eronald
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« Reply #12 on: February 05, 2008, 05:37:02 AM » |
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Anyone using wide-angle solutions should investigate flare issues carefully. I've had people email me for profiles, when in fact careful evaluation of their files showed they had serious flare problems rather than defective colorimetry. One should not confuse flare and reduced contrast with bad resolution. Edmund if it´s the mamiya (what I thought too) then it doesn´t show the same amount (of barrel) distortion my old, manual 35mm has. and edge sharpness seems to be better than my one. which seem to coincide with what somebody from mamiya germany told me last week: that - even thought the lenscalculations are the same from the old 35mm - they probably use a newer kind of glass for the af 35mm. or perhaps I just have a bad sample lens.
stefan [a href=\"index.php?act=findpost&pid=172426\"][{POST_SNAPBACK}][/a]
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« Last Edit: February 05, 2008, 05:37:43 AM by eronald »
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Jack Varney
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« Reply #13 on: February 06, 2008, 08:52:30 PM » |
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chris, would you be so kind as to let me know which slr 35mm lens you used? hasselblad? and was it (software-) distortion corrected? (I am asking because I am in the market for one)
thanks stefan [a href=\"index.php?act=findpost&pid=172406\"][{POST_SNAPBACK}][/a] From the referenced Capture Integration web page - "CWDS lens was a Schneider lens: APO Digitar f5.6 35mm XL-102deg MC "
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Jack Varney
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stefan marquardt
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« Reply #14 on: February 07, 2008, 01:41:25 AM » |
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From the referenced Capture Integration web page -
"CWDS lens was a Schneider lens: APO Digitar f5.6 35mm XL-102deg MC " [a href=\"index.php?act=findpost&pid=172879\"][{POST_SNAPBACK}][/a] we are wondering about the other lens, not the one on the cambo. stefan
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jing q
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« Reply #15 on: February 07, 2008, 03:41:30 AM » |
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has it been other people's experience that the edges on the rodenstock and schneider lenses tend to be less sharp than the normal medium format lenses I'm using a rodenstock 45mm digitar and it gets abit soft on the edges compared. the center area is sharper than my mamiya 45mm however
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vgogolak
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« Reply #16 on: February 08, 2008, 12:34:56 AM » |
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Same with 35mm digitar vs Contax 35mm; digitar sharper in center Contax a bit sharper at edge
however, both fall off the Digitar center though cant be beat on the alpa with P45+
Regards Victor
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vgogolak
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« Reply #17 on: February 08, 2008, 12:42:28 AM » |
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BTW, the reluctance to name the 35mm lens is just suspicious; it leaves open the test to question; if the M then of course, reluctant to hit a current 'for sale system' if the C then might have shown it, discontinued, no? if other then why?
the MF 35mm lenses are not the same. If you cant name it, then all we know is the Digitar is better than ONE of them , in the center.
Victor
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« Last Edit: February 08, 2008, 12:43:15 AM by vgogolak »
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T-1000
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« Reply #18 on: February 15, 2008, 08:31:07 PM » |
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Aren't the Rodenstock HR lenses far, far better than the Rodenstock Digital Sironar and Schneider digitar lenses?
At least that's what I've seen so far. If I had a P45+, I know what lenses I would use...
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adammork
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« Reply #19 on: February 16, 2008, 05:44:15 AM » |
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Aren't the Rodenstock HR lenses far, far better than the Rodenstock Digital Sironar and Schneider digitar lenses? At least that's what I've seen so far. If I had a P45+, I know what lenses I would use... [{POST_SNAPBACK}][/a]No, not to my findings - I tested both Rodenstock HR lenses and Schneider Apo-Digitars and my bag is now full of Schneider's, you will find the quality very alike, I think it will come down to personal preference in the end. You can see some more details here, read Rainer's and my post's : [a href=\"http://luminous-landscape.com/forum/index.php?showtopic=22266&hl=]http://luminous-landscape.com/forum/index....topic=22266&hl=[/url]
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« Last Edit: February 16, 2008, 05:53:12 AM by adammork »
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