Diffraction f/Entekaphobia

Started Feb 5, 2014 | Discussions thread
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Re: Diffraction f/Entekaphobia
In reply to Robin Casady, Feb 5, 2014

Robin Casady wrote:

Interesting article on diffraction by Roger Cicala.

For those with f/entekaphobia (fear of f/11) it is interesting to note that f/11 was generally as sharp or sharper than f/4 and f/16 compared favorably to f/2.8. He tested with two Zeiss 50mm lenses and a Nikon 50mm f/1.4G.

I think those tests state the obvious. At least it is obvious to anyone who dare using smaller than f/5.6. Maybe f/5.6 is the most optimal in the majority of cases, but even that has been the obvious ever since I started with photography using SLRs in 1970.

Anyway, do you really think there are people who think a lens (any lens) can be better wide open than a bit stopped down? Is there really anyone who believes that lens would perform better wide open at f/1.4 or f/2.8 than stopped down to f/11 or f/16?

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