N noob117 Senior Member Oct 16, 2006 1,314 0 36 west Nov 29, 2006 #1 hey guys/girls how to calculate the magnification of a close-up filter? say +4 Magnification = (Diopter x lens focal length) / 1000 ?????? is it 4 x(say)50mm/1000 = 0.2 the result is in? 0.2 wad?:think: :think: :think: many thk
hey guys/girls how to calculate the magnification of a close-up filter? say +4 Magnification = (Diopter x lens focal length) / 1000 ?????? is it 4 x(say)50mm/1000 = 0.2 the result is in? 0.2 wad?:think: :think: :think: many thk
