If shooting at f/22, is a fast 1.8 lens still considered fast?

Started Apr 17, 2011 | Discussions thread
Windancer
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Re: If shooting at f/22, is a fast 1.8 lens still considered fast?
In reply to Leonard Shepherd, Apr 17, 2011

Leonard Shepherd wrote:

Maximum available image quality falls at f22 but can still be good. f16 usually has better image quality - and can be better than f2 or f2.8

I would agree with Leonard's statement. Personally I find F16 is sharper than F22 as an exmple, on my Nikkor 105/2.8 Micro. I usually use that lens at F16. I believe this is due to some refraction of light in the lens. Please, if there is someone more knowledgeable, correct me if I am wrong.

OTOH, I can certainly appreciate Kev's views on using F22 and having a great DofF. As was already pointed out his photography is different than the average photogaper. Great shots Kev!

The point I was trying to make is a lens might be a weeee bit sharper at F16 rather than F22.

Terry
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