Adjusting Optical Accessories For Leica M844 - Leica M844 User Manual

Adjusting optical accessories for
Leica M844
Adjusting the 0° assistant's attachment
Changing the assistant side
➩Loosen the screw, lift the surgeon tube on quick changer and
rotate the assistant tube to the other side.
➩Retighten the screw.
➩After changing the assistant side, turn the camera by 180° to
correct the orientation of the video image.
No accessories need to be removed in order to change
the assistant side.
Level-up the eyepiece tubes
The assistant tube can be rotated 15° to the left or right.
➩Push lever down.
➩Rotate the tube in the desired direction until it engages at one
of the markings.
Documentation port
The documentation port of the 0° assistant's attachment has a
diaphragm for optimizing the depth of field.
Rotary ring
➩You can adjust the diaphragm by turning the rotary ring.
2.
1.
Screw
Lever for rotating the tube
Closed
Open
Leica M844 – Leica M820 / Ref. 10 713 294 / Version I
If you are working at a large magnification, you can
increase the depth of field of your video or photo by
reducing the diaphragm opening.
➩Closing the diaphragm can affect the red reflex in the
video image.
Focusing the 0° assistant's attachment
➩Rotate the fine focus button to precisely focus the image seen
by the assistant.
Fine focusing knob
Preparation for operation
25