Originally Posted by
gambaphoto
I have this project in mind to use Harman Direct Positive paper to shoot portraits hopefully using a 16x20 camera that I yet to find or make. I am starting small first, testing out the idea on my Crown Graphics 2x3 cutting some 4x5 paper to fit so I should have plenty of test for very little cost. If it works the way I am planning, I would really like to put the 16x20 plan into effect. I have never shot anything larger then 8x10 so when it comes to lenses I am out of my knowledge base so I am hoping you could help shine some light. The framing I am looking for in these portraits is that of using a 35mm to 50mm lens on 35mm format. My subject will I think be as close as 10 to 20 feet from the camera to get that full standing to 3/4 shot with a shallow depth of field. I think I am looking for a 600mm 24 inch lens but what about 500mm or 480mm? It seems that its not just the mm/inch of the lens but rather more importantly the image circle it provides. I would think that with my subject at close range and the front standard being farther away (2 feet?) I should gain some image circle diameter? Again I have no plans on making this lens focus to infinity and I would like to keep that aperture under f16. Any thoughts, information and or help that you could pass my way will be greatly appreciated. And yes I am aware this like a lazy/poor man's wet plate, thats the idea. little steps.
thanks
Paul
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