Greeting
I am thinking to add a 4x10 camera back to my 5x7 Canham, some qustions:
1. Which 90mm lens will covers 4x10 ? prefer to have to small /light weighted if possible.
2. Is it necessary to have 90mm for 4x10 ? would 110 mm be just fine, especially 110mm seems a good choice for 5x7 format ...
3. I understand people cut 8x10 film to fit 4x10. Intend to do the same, I am wondering that, after you split a sheet 8x10, there will be one sheet 4x10 has code notch and the other doesn't. How do you do to indentify emulsion side with that non notch film ?
Thanks in advance for all advices, greatly appreciated.
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