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*newarts* · 07-03-2009, 12:58 PM

Theory says that depth of field for macros does not depend on focal length, only on f-stop and magnification:

DoF/WoF=2C*f-stop*(1+1/magnification)

where C is constant for a particular camera & display; WoF is width of field.

Dave in Iowa

07-03-2009, 12:58 PM	#17
newarts Site Supporter Location: Ames, Iowa, USA Gallery Photos: 0 Posts: 657	Theory says that depth of field for macros does not depend on focal length, only on f-stop and magnification: DoF/WoF=2Cf-stop(1+1/magnification) where C is constant for a particular camera & display; WoF is width of field. Dave in Iowa