At 12/17/2019 02:27 PM, Mike G wrote:
><<<<<MikeG may weigh in on the issue of sensor stack thickness. It's a real
>consideration for old MF lenses.
>
>Sensor stack: The glass in front of the sensor--UV filters etc. WA RF
>lenses with short
>exit pupil distances at wide apertures are very degraded in corners. It is
>clear even some WA SLR lenses can be effected at FL <35mm. Other lenses
>seem fine.
>If one obtains the exactly correct PCX filter, it can correct the corner
>smearing and maintain infinity focus.
>
>Another way is to get the Sonnie cam modified by Kolari if committed to use
>such lenses but have
>to be prepared for more complex work flow with color issues. I do not know
>the sensor stack thickness on the new FF Panny.
>
>Roger had 3 good articles on sensor stack effects:
>
>https://wordpress.lensrentals.com/blog/2014/06/the-glass-in-the-path-sensor-stacks-and-adapted-lenses/
>
>https://wordpress.lensrentals.com/blog/2014/06/sensor-stack-thickness-when-does-it-matter/
>
>https://www.lensrentals.com/blog/2014/07/sensor-stack-thickness-part-iii-the-summary/
>
>Curiously the proper Speedbooster will correct for the sensor stack, but that
>is not a solution for FF.
>
>Adaptable, Mike
Interesting links. The u43 sensor glass is quite thick. Slightly related, I
remember commenting in the past on the sensor glass thickness as also
accounting for a diminished effect of dust on the sensor of the Olys vs the
canons.
I assume that this glass does not move with IBIS? or does it?
WayneS
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