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As an adjunct to the Tangents blog, the intention with this forum is to answer any questions, and allow a diverse discussion of topics related photography. With that, see it as an open invitation to just climb in and start threads and to respond to any threads.

why the difference in focus?

this shot of the mirror was at 1/800th @f10. both the regular mirror and the convex mirror are in essentially the same plane. why is one sharp and one not?


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