Re: Manual focus M mount lenses on X-E5 vs X Pro 3
mdude85 wrote: gdanmitchell wrote: mdude85 wrote: gdanmitchell wrote: mivadep wrote:
But the corners are the most affected by this (and how much depends on the lens). Fuji X series cameras use an APS-C sensor, so in principle they shouldn't be as impacted by weak corners on full frame. In the end you just have to try it (or find reliable information about a given lens) and decide for yourself if there is a problem or not.
It isn’t quite that simple, assuming that you’ll print/share your photographs at he same size regardless of the capture format.
While, indeed, you are using relying on a sensor area that doesn’t extend as far away from the center of the lens, you are also enlarging the image more, thus revealing any issues a bit more. In addition, Fujifilm x-series lenses are generally designed for hte smaller image circle of the APS-C format, while lenses for full frame cameras are designed to cover that format’s larger area.
You are correct that it “depends on the lens.”
Although the higher resolution may reveal/magnify lens aberrations in the sensor's field of view, the soft corners that were visible in the full-frame image will be out of the field of view of the cropped sensor.
How to say “I did not understand your post” without saying “I did not understand your post.”
They were discussing edge/corner sharpness of the M lenses. You were discussing how the APS-C sensor magnify some aberrations of the lens, which is true, but not the corners/edges (which are cropped out).
Any unsharpness at the point which will be the edge of the APS-C frame will be magnified, and in tge case of tge lenses I have or had there is/was still some problems evident at that point.
Gerry
Apr 28, 2026 at 03:06 PM
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