RX100M3 lens hits f/2.8 at around 30mm - ouch!!!

Started May 16, 2014 | Discussions thread
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Re: 24mm and 70mm rule the game
In reply to dpr4bb, May 19, 2014

dpr4bb wrote:

Cropping a 24mm capture to 28mm will give you a 15 megapixel image which is not too shabby. If I really needed that extra stop, I'd shoot at 24mm f/1.8 and crop.

As not everybody seems to understand. Cropping changes the equivalent aperture too.

Normalized to a 1" sensor, cropping a 24mm/1.8 image to 28mm yields an 28mm/2.1 image. Better than F2.8, but who knows how exact those DPR figures really are ... Following a cropping law, the 24/1.8 would hit F2.8 at 37mm.

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Falk Lumo

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