DXOMARK.com, did you notice

Started Jan 28, 2014 | Discussions thread
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Ulric Senior Member • Posts: 3,580
Re: DXO scores are like MTF charts

Anders W wrote:

I see no principal reason why a 150 mm lens with an MFT image circle could not behave as a 300 mm lens with an FF image circle (at the same f-stop). What would that be?

If the comparison is performed at the same f-number across formats, the behaviour will not be the same for any non-flat scene.

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