Leica M165 C B Manuel D’Utilisation

The zoom button can optionally be operated 
either with or without ratchet steps. Continu-
ous zoom is possible when the click stops are 
disabled, which many users find convenient. 
On the other hand, when the click stops are 
enabled, photographs, measurement results 
etc. can be reproduced more accurately. 

Enabling and disabling click stops
1.  Push the top button downwards to disable 

the ratchet steps.

2.  Push the bottom button upwards to enable 

the ratchet steps.

Magnifications and fields of view
The formula on page  54 provides additional 
information about the magnifications and field 
of view diameters, with consideration given to 
the position of the magnification changer and 
the eyepiece and objective combination used.