EXCERPT page containing first few paragraphs. 2019-09-16 22:20:03
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The M9 sensor can posterize highlight transitions at ISO 80. ISO 160 is more forgiving, so in situations like this, avoid ISO 80.
It has a specular highlight issue (CCD related), but also shows ugly transitions when highlights are blown, as shown in the example below.
The M9 has made a hash of the highlights, with ugly posterization of the transition from pure white to other tones. This image was converted in Photoshop CS5, using 16-bit ProPhotoRGB, then converted to sRGB for display (color space has no effect on this issue).
Click for a larger view and crop.
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Diglloyd Guide to LEICA contains in-depth coverage of Leica M system cameras and lenses, with additional coverage of Leica M Monochrom, Leica Q, Leica SL.
Special emphasis is placed on Leica M lenses and certain Zeiss ZM lenses.
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