Dissapointing Sony A77 II High ISO performance

Started May 2, 2014 | Discussions thread
danny006 Senior Member • Posts: 1,090
Re: More smoke...

Since SLT uses only a third stop of light for AF, it would put it far behind in that area (conpared to SLRs) as well.--

A traditional dslr uses also a fraction of the light hitting the mirror. There is a secondary little mirror inside the main mirror which is used for phasedetect autofocus. And the rest of the light goes up to the viewfinder. So your statement is not correct.

And the autofocus on an slt works always, on a dslr the AF doesn't work when the picture is taken because the mirror goes up.

www.alex-digitalpics.be by Sony

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