Lens hoods
The individual Leica M lenses are supplied with
various functionally designed lens hoods. On sev-
eral lenses, they are built in, and have a teles-
copic design. Lens hoods should always be used
because they provide the lens with effective
protection against stray light and irradiation and
also against rain and fingerprints.
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Use of older Leica M lenses
All Leica M lenses can be used. However, the
following are not compatible with the exposure
metering function:
Hologon 15 mm f/8,
Super-Angulon-M 21 mm f/4
Super-Angulon-M 21 mm f/3.4
Elmarit-M 28 mm f/2.8 with serial nos. below
2 314 921.
When changing lenses, the following must be set
to infinity:
Summicron 50 mm f/2 with close-up attachment