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about the "sweet spot

lens sweet spot

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#1 YongLee

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Posted 02 November 2016 - 08:44 PM

i  have heard about the "sweet spot" of camera lens when using the iris. who can tell me what is the "sweet spot"?  is it right about "the sweet spot is the biggest iris reduce three ”?thanks!


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#2 Stuart Brereton

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Posted 02 November 2016 - 09:52 PM

All lenses perform better when stopped down at least 2 stops from wide open. The sweet spot would normally be considered to be f5.6


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#3 YongLee

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Posted 05 November 2016 - 08:56 AM

thank you 


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