User Guide

The Collapsible Lenses
The Collapsible LensesThe Collapsible Lenses
The Collapsible Lenses
When not in use, certain LEICA lenses (for
instance the 50 mm ELMAR f/2.8 and the
collapsible 90mm ELMAR f/4) can be
unlocked by slightly turning the front anti-
clockwise and pushing into the camera
body. For use, fully extend the lens, and
lock by turning to the right. (The collapsible
90 mm ELMAR f/4 can only be focused
when it is properly extended and locked.)
With any lens, always remember to take
off the lens cap.
Lens Coating
Lens CoatingLens Coating
Lens Coating
Modern coated LEICA lenses show a colored sheen on the surface, due to an anti-
reflection layer which appreciably increases the brilliance and crispness of the image. The
outer surfaces are hard coated and will therefore stand up to careful cleaning.
In addition to its name, every LEICA lens also carries its own "personal" serial number
engraved on the front mount. Make a note of this number, and of the serial number of your
LEICA; they may be prove to be of great help in case of loss.
Lens Care
Lens CareLens Care
Lens Care
Any high-quality lens can yield its best performance only if the two outside glass surfaces
are perfect condition. And it is much better to keep them clean than to keep cleaning them.
A light yellow filter (with black-and-white film) or a colourless ultraviolet filter (for colour
shots), left permanently on the lens, will protect the surface against outside influences (e.g.
fine sand at the seaside). The lens hood, too, guards the lens against accidental contact
with your fingers, and against splashes of water in rainy weather. To remove dust from the
lens surface use a soft camel's hair brush, or in an emergency, a clean linen rag previously
washed with pure soap. (Other washing or cleaning agents may leave harmful chemical
residues.) 16
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