I think that sums up my negatives too!
Steve.
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Ralph: do you not mean 4x as much (linear) resolution at f/8 than f/32? I understood that at the diffraction limit, the diameter of the Airy disc to the first null is d=2.44*wavelength*Fnumber. Therefore at f/32, the airy disc is 4x the diameter than at f/8.
ah, fair enough.
Useful article on this subject :
http://www.cambridgeincolour.com/tut...hotography.htm