The whole question of lens sharpness...

Started Jun 12, 2013 | Discussions thread
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olliess Senior Member • Posts: 1,348
Re: The whole question of lens sharpness ...

Detail Man wrote:

Thanks for the links. But what about the "(model) blur function of a lens" ?

You might find useful the Wiki entries for the Point spread function (PSF)

What is the specific significance of "distance to subject" ?

and the Circle of confusion.

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