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XF 50mm F1 Preview Problem

Started Jan 19, 2022 | Questions thread
TukTuk
TukTuk Contributing Member • Posts: 528
Re: XF 50mm F1 Preview Problem

oscarvdvelde wrote:

TukTuk wrote:

but T-stop effect (less actual light through optics in than F-aperture implies) shall be the the same @ F1.0 and F1.4, we are not changing anything but aperture... different vignetting shall not be affecting the center of the frame ...

In center-weighted metering

I was talking about the exposure in the center of the sensor with this  F1.0 lens @ F1.0 and F1.4 where exposure differs noticeable not by a 1 stop with exposure time fixed (and nominal ISO being the same)

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