I have a question about the relationship between DOF and diffraction. (cont'd fr om my last post "replacing shutter to stop down beyond f45 (240mm on 8x10)" Now, I am shooting 6 people, who are standing very closely each other in front o f black seamless, in the studio using 8x10 with 165mm super angular lens. Becau se I want to make people just fit in the frame, the lens is very close to them. (about 30 in.) Then, to make everything in focus I think I have to stop down t o f64 or even more. (Near distance 30in. Far distance 70in) Then, I'm going to make 30in x 40in and 40in X 60in prints from the neg. I'd like to ask you how noticeable and obvious the degree of diffraction is if I use f64 or smaller apet ure and make large prints like this, because I have not noticed the soft and blu r image caused by diffraction before, but I was wondering if I make the image lo ok a little more sharper. I just didn't see the prints carefully. The diffracti on affects whole image look softer, or a part of image? Anyway, I may have to sacrifice the DOF in order to obtain the prints which give me sharper impression. Thank you, Joe
Bookmarks