Macro Lenses on FZ200/150 & Others: Overview, Guide and Information [Achromats]

Started Nov 12, 2012 | Discussions thread
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Does the "diameter" of a closeup lens affect focusing distance or sharpness?
In reply to privateman, Nov 23, 2012

I bought two closeup lenses (Canon 250D & 500D) many years ago for use with another camera. They are both 58mm. I know that there is not much difference in size between a 58mm and 52mm and I use both with my FZ200.  Do you think that the difference in the diameter might have an effect on its focusing distance and/or sharpness . . . after all, you would just be using the center of the lens which is usually the sharpest area of a lens.


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