Sony E-mount Wasn't Designed for Full Frame, Leica exec. says

Started 9 months ago | Discussions thread
Manfred Bachmann Senior Member • Posts: 1,065
Re: Leica M mount throat is even smaller
4

Not the mountsize counts, its the lensconstruction and glass!

Exemple:

Canon EF 85/1,2 L USM T-stop is 1,6

Sony GMaster 85/1,4 T-stop is, 1,5

The Sony brings more light to the sensor, so the larger 54mm canon mount has no advantage here.

more exemples:

Klick

 Manfred Bachmann's gear list:Manfred Bachmann's gear list
Nikon D7200 Sony a7R III Nikon AF-S DX Nikkor 16-85mm f/3.5-5.6G ED VR Nikon AF-S DX Nikkor 35mm F1.8G Nikon AF Micro-Nikkor 60mm f/2.8D +10 more
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