Printing Nikkor 105 f/2.8 A on GFX100

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pppjw
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Joined: Sat Feb 01, 2020 6:14 am

Printing Nikkor 105 f/2.8 A on GFX100

Post by pppjw »

Original size image(1:1, 5 stacks, f4): https://www.flickr.com/photos/186734762 ... 472000578/

one of the image: https://www.flickr.com/photos/186734762 ... ed-public/

This lens is incredible. It almost cover the GFX sensor and the image field is very flat.
The fast working aperture also fit the camera's CMOS structure, I think this lens should be suitable for a7r4 too.

#update

This is another test, I would like to scan the film (1:1) by camera.
Original size image(7 stacks, f5.6) https://www.flickr.com/photos/186734762 ... 473352166/

Due to the movement of turning focus, some edges are blur after stacking.
Last edited by pppjw on Sat Feb 01, 2020 10:00 am, edited 1 time in total.
JACK

Lou Jost
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Post by Lou Jost »

So that's a 44x33mm sensor? Nice to hear there are no medium format edge effects due to micro-lenses or other digital sensor complications.

However, your posted coin example doesn't really show that very well, since there is no detail in the corners or even on the far edges. May I suggest that a perfectly uniform target would be more informative about this?

pppjw
Posts: 9
Joined: Sat Feb 01, 2020 6:14 am

Post by pppjw »

Lou Jost wrote:So that's a 44x33mm sensor? Nice to hear there are no medium format edge effects due to micro-lenses or other digital sensor complications.

However, your posted coin example doesn't really show that very well, since there is no detail in the corners or even on the far edges. May I suggest that a perfectly uniform target would be more informative about this?
Thanks for your advice, I just add the film copy test.
JACK

dmillard
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Post by dmillard »

The Printing Nikkor 105 A is a very impressive lens. However, you may be interested in nathanm's 1x test on his PhaseOne sensor (67mm diagonal) in which he showed that a Schneider MacroVaron had better performance at the image edges.

https://www.photomacrography.net/forum/ ... macrovaron

pppjw
Posts: 9
Joined: Sat Feb 01, 2020 6:14 am

Post by pppjw »

dmillard wrote:The Printing Nikkor 105 A is a very impressive lens. However, you may be interested in nathanm's 1x test on his PhaseOne sensor (67mm diagonal) in which he showed that a Schneider MacroVaron had better performance at the image edges.

https://www.photomacrography.net/forum/ ... macrovaron

Thank you for your suggestion, I never heard this lens and will study it later !
JACK

mawyatt
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Location: Clearwater

Post by mawyatt »

Lou Jost wrote:So that's a 44x33mm sensor? Nice to hear there are no medium format edge effects due to micro-lenses or other digital sensor complications.

However, your posted coin example doesn't really show that very well, since there is no detail in the corners or even on the far edges. May I suggest that a perfectly uniform target would be more informative about this?
Maybe a semiconductor (Silicon) wafer as target?

Best,
Research is like a treasure hunt, you don't know where to look or what you'll find!
~Mike

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