Leica OH4, Service Manual, Page: 167 / 264

Preparation for operation
25 Leica M525 OH4 / Ref. 10 714 367 / Version -
Using the dial, the brightness of the video can be
adjusted to 30%, 50% or 100%. One of these filters can
be switched with the 8% filter provided. To do so,
remove the camera and change the filter in the TV
output.
TV attachment / zoom video adapter
➩
Mount the TV attachment on the documentation port of the
beam splitter.
➩
Screw the adapter to the camera using the C-mount.
➩
Insert the camera with the adapter into the TV attachment
and tighten the clamping screw.
90° click-stop (TV attachment only):
➩
Loosen the clamping screw.
➩
Engage the camera at one of the 90° increments in
accordance with the space available and tighten the
clamping screw.
Setting the Zoom Video Adapter parfocal:
➩
Set to the maximum magnification.
➩
Place a flat test object with sharp contours under the
objective.
➩
Look through the eyepieces and focus the microscope.
➩
Set to the minimum magnification.
➩
Set the maximum magnification (f=100) on the Zoom Video
Adapter.
➩
Focus the monitor image on the Zoom Video Adapter.
➩
Set the desired magnification on the Zoom Video Adapter.
Focusing knob
Adjusting the magnification
Video camera
C-mount adapter
TV attachment
Clamping screw
Fitting the phototube
➩
Mount the phototube on the beam splitter.
➩
Secure the camera adapter to the SLR camera.
➩
Connect the f = 250mm or f = 350mm adapter to the camera
adapter.
➩
Secure the camera, complete with adapter, in the phototube.
➩
Tighten the clamping screw.
Camera adapter
Camera
Adapter
Phototube
Clamping screw