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Author Topic: 2.8 transmission?  (Read 1684 times)

Offline towdy

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2.8 transmission?
« on: February 03, 2014, 04:36:55 am »
This a comment for this page on the website
how is it possible that a f2.8 lense has a t-stop of 2.8? and why only on canon (for ex. 5d3) and on nikon (for ex. d800) it is 3.2?
thank you!

 

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