| Extremely compact and light-weight,
the Leica 28mm f/2.8 Elmarit-M Aspherical Lens is currently
the most compact lens in the line-up of Leica M-system
lenses. This lens is practically distortion-free in the
whole focus range from 2.3" (0.7 m) to infinity and
only extends slightly into the viewfinder field of M cameras.
This lens has been updated with the "6-bit"
coding, which allows the digital M camera to read this
information optically and to identify which lens is
being used. The camera can then (optionally) apply a
"final stage" software based vignetting correction
(for RAW images the lens used is simply recorded, no
change is made).
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