Size comparison of FE 4/2470 on A7 vs Olympus 12-40 f2.8 on GX7

Started 6 months ago | Discussions thread
martindesu
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Re: Why compare the larger M43 lens and not the one with the same range?
In reply to blue_skies, 6 months ago

blue_skies wrote:

Lab D wrote:

Maybe it is what you had on hand. FYI, The Panasonic would be a better lens to compare since it is also only 24-70mm and does not have the optics for a close up lens as the Sony doesn't either. You will find the Panasonic is smaller than the Olympus, but maybe that was not your point.

As for understanding exposure think of lens apertures like this. A fat lady and a thin lady are laying on the beach. Who will get sun burnt faster? Answer: both will burn/tan the same despite the fat lady having 4x the skin area.

You are addressing aperture, not sensor. The fat lady and the thin lady receive the same amount of light rays on each of their skin cells.

The fat lady might also be fractionally closer to the sun, and thus burn faster.

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Sony RX1 Sony Alpha NEX-C3 Sony Alpha NEX-7 Sony E 16mm F2.8 Pancake Voigtlander 35mm F1.4 Nokton +2 more
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