Quote:
Originally Posted by dyna mo
thanks for the inputs everyone
i agree that these 2 aspects are quite important but focal length and distances must be figured in to the equation if one is out to achieve DOF type shots.
for instance, f2.8 at 18mm will not have the DOF of f2.8 at 20mm focal length, in fact, most any aperture at wide angles will keep the background relatively focused.
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most lenses come with DOF charts where you can see the DOF range at various f stops and zoomed positions..or you can look it up online.
i used to do shoots for Barely Legal magz, they want everything flat, the entire image in focus.. in order to do that you have to shoot at f9-f11 with most glass and never zoom in more than probably 60mm
most adult web photogs shoot at f5.6 unless they are doing something special..