rscheffler Offline Upload & Sell: Off
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If comparing two identical sensors, other than one having a Bayer CFA and the other not, the one without will show better luminance detail/resolution because there is no image interpolation, as is required for the Bayer CFA image. You also gain light sensitivity by eliminating the CFA, which would benefit those who work in low light environments. IIRC Kodak offered one of their early DSLRs as a monochrome version for this reason. IIRC they also had some unique CFAs at this time, such as CMY rather than RGB for better light transmission to counter the low light limitations of the sensors available at that time.
Anyway, I think a benefit of a true monochrome sensor is if you like to work with color filters to modify B&W tonal response at time of capture, such as yellow, orange, red filters, etc. Such as for darkening blue skies, lightening caucasian complexions, etc. Yes, you can do this in software too, but due to the nature of the Bayer CFA and how these 'raw' images are interpolated into color images, only to be B&W converted in post, there is some loss of tonality smoothness and resolution when simulating the effects of stronger B&W color filters. But as suggested, a higher resolution standard Bayer CFA sensor will counter some, most, or all of these losses.
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