Quote:
Originally Posted by Stephen Fox
What effect will a teleconverter have on diffraction? If the diffraction limit of an APS size sensor with 12Mpx is f11 what happens when the effective aperture is at f11? i.e. camera indicating f11 for exposure but using a 2X converter the primary lens will be f5.6.
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Stephen,
Having just been through your gallery I cannot imagine you being much troubled by this. I notice you have only gone below f8 on your closeups. Always a f8 or wider on aircraft shots.
Just wondering if you are honing your reactions on Hoverflys as per Christines ( Sapphires ) pic.
http://www.worldphotographyforum.com...ppuser=57&sl=s
Don