A few days ago I was asked to suggest a focal length for portraits using an 11x14 camera.
Quite a discussion ensued about traditional lens-to-film ratios for various applications and how each photographer envisions his/her subject matter, and how focal lengths influence that vision.
As usual, comparisons with 35mm camera lens ratios were proffered. (24mm = wide angle, 50mm = normal, etc.). Medium format folks do similar comparisons (43mm = wide angle, 80~125mm = short ~long normal, etc.). A newcomer to large format may find themself disoriented by the wide variety of film formats.
A few years ago I found a nomograph published by Kodak on equivalent focal lengths for large format cameras. I interpolated the data in a "pie chart" graphic to simplify the subject. You may find it useful.
By coincidence, post #9 here discusses the same thing:
http://www.apug.org/forums/forum379/...available.html
Reinhold
www.Re-inventedPhotoEquip.com.
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