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Zeiss ZM 35mm f/1.4 Distagon
Leica M Monochrom Typ 246

Black Dots on White Spots Artifacts

The Leica M Monochrom Typ 246 exhibits image artifacts best described as “black dots on white spots”. They often occur where there is a small white area; a black dot appears in the center of the white area.

UPDATE 7 Feb 2016: Leica may have fixed this issue in a firmware update in late 2015 (unconfirmed).

Leica M Monochrom Typ 246 firmware version 1.0.0.4.
Examples shot using DNGc (lossless compressed raw).
Converted with Adobe Camera Raw 9.0 (414)

Example 1

This crop taken from the Dolls aperture series.

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Since 2009, Diglloyd Guide to Leica is the authoritative review and reference for Leica M lenses: Leica M, Zeiss ZM, Voigtlander, as well as Leica M digital bodies. Leica S is also included.

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