Does anyone know of the image circle for the above lens at infinity. The Schneider web site gives the image circle for 1:1, but I know it will be less at infinity. I am interested in using this lens as a general purpose lens, not as a macro lens exclusively. Any info would be appreciated.
Easy...
Since the film-to-lensnode distance at 1:1 is 2x the focal length, and the film-to-lensnode distance at infinity is (by definition) the focal length, the image circle at infinity is half of what it is at 1:1.
Thanks Ole- I was afraid that this was the case. The image circle is 250mm @ 1:1, so this lens will not cover 4x5 at infinity. I guess that solves my dilemma. Thanks again for your timely reply.
Hi Robert
The Rodenstock APO Macro Sironar covers 4x5 at infinity but is not easy to focus on an overcoast day at infinity! In the Rodenstock brochure day state: 1:1 60° covering 277mm at f8-11, 1:5 70° covering 201mm at f 8-11 Good light!
Robert,
I got caught in a spot once and did an infinity cityscape with the Makro-Symmar HM 120mm on 4x5 and I am glad to say that at f22 it JUST covered. It was also razor sharp I might add.
Really, Interesting ! I would like to try too. could you provide sample image ?Originally Posted by Walter Glover
Look for NIKON too
Spec sheets can be found
Tin Can
Walter Glover was last on this forum about 19 years ago.
David
Just checked my late 1980s vintage Nikon 120mm Macro AM-ED on my Linhof IV, I have done some macro with this set but haven't tried the lens at infinity. Just did, lots of vignetting at f5.6 and still some at f22. I may try the lens at infinty with a 6x7 roll back, an incredibly sharp lens at macro ranges, would be interesting at infinity.
Posting Permissions
Reply With Quote
Bookmarks