A reminder for some memebers as to what the F stop is all about.

Started Jan 26, 2014 | Discussions thread
OP gsergei Contributing Member • Posts: 841
Please, refer to the original point of discussion:
1

Someone in Dave Gaines' thread exclaimed:

"convince me, that an Olympus 25mm F/2.8 produces the same light" as a FF lens at F/2.8"

then someone referred to a "guru" , saying" that bigger sensor "gathers" (I totally hate this) more light. This statements prompted me for my essay. That's all. Then the topic was highjacked by other people. I wasn't going to  cut circles ad infinitum about DOF and FOV, which topics have already been beaten up to death.

best wishes.

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Sergei,
Calgary.
www.alberta-photo.com

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