XF56 f1.2 released and specs

Started 6 months ago | Discussions thread
Pic Man
Contributing MemberPosts: 881
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Re: XF56 f1.2 released and specs
In reply to a l b e r t, 6 months ago

There is allot of talk about equivalence to FF here and I must admit it's a little confusing. From what I gather 56mm ASPC is 85mm on FF in FOV. 1.2 is 1.8 in DOF. But 1.2 is 1.2 in light gathering. FF owners argue that because the FF sensor has bigger surface area so it's roughly about 1 stop better in ISO performance which negates the difference in light gathering from the lens. So you would shoot at 1.2 ISO 800 on ASPC and 1.8 ISO 1600 on FF and you get a similar quality image. I realise this probably very simplified.

What I'm curious about is how the lens behaves. An 85mm lens is a short telephoto and with that you get some compression which is why the background looks quite near to the subject and also gives a flattering look in portraits. Will a cropped 56mm lens behave the same way?

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