why not f/1.2 by Sony?

Started May 14, 2013 | Discussions thread
waitformee
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Re: why not f/1.2 by Sony?
In reply to captura, May 16, 2013

Just think of it that you have a 85mm f1.2

so base on formula for f. then the hole should super big and lens super big.

bad scenario if person at 2m away, at 85mm f1.2, u will get dof about 3cm (estimate). - so nose clear, eyes blur or eyes clear, ear blur.

since dof is small af will be affected - need faster motor

...

Anyway, do need to remember, Fast lens does not means sharp lens, sharp lens does not means fast lens. what we want is not a fast lens, all we want is a crystal clear photo.

So there is no need to try to find the lens with the biggest hole. If you need more light then use flash or continuous light to get more light. Control the light and get a sharp lens.

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