12-07-2007, 12:42 PM
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Ninja Moderator
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Join Date: Dec 2006
Location: Oxford, UK
Posts: 9,665
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I think that you can either focus on the subject, which is 50 feet away, and get a depth of just over five feet in sharp focus OR focus at 921 feet away (using the same aperture and focal length) and capture everything from about 460 feet to infinity at reasonable sharpness. Not both.
Wulf
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Wulf Forrester-Barker << Sites: blog / flickr >>
Gear: Nikon D40, Nikon AFS 18-55mm f/3.5 - 5.6G, Nikon Series E 50mm f/1.8, Nikon AF 70-300mm f/4-5.6G, Vivitar 90mm f/2.5 macro, Raynox DCR-250, Lensbaby 2.0k, SB600
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