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Preparation for operation
Fitting documentation accessories
Fitting the Leica 2D
➩See Leica 2D User Manual (10708979).
Fitting the photo/TV dual attachment
➩Fit dual attachment on the assistant side of the
0°-assistant's attachment (Leica M844) or on the beam
splitter (Leica M820).
➩Equip the video camera with the TV objective and insert into
the dual attachment.
➩Tighten the clamping screw.
➩Equip the photo camera with the camera adapter. Screw the
photo objective to the camera adapter. Fit the camera to the
dual attachment.
➩Tighten the clamping screw.
➩Loosen the clamping screw and engage the video camera
until it latches in one of the 45° steps depending on the avail-
able space.
➩Tighten the clamping screw.
Video camera
(such as the Leica D2D V3)
Clamping screw
The object image at the camera output is laterally
reversed!
Using the dial, the brightness of the video can be adjust-
ed 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
➩Fasten the TV attachment to the video port of the
0° assistant's attachment (Leica M844) or the beam
splitter (Leica M820).
➩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.
➩Latch the camera at one of the 90° steps in accordance with
the space available and tighten the clamping screw.
Video camera (such as the Leica D2D V3)
C-mount adapter
Clamping screw
TV attachment
26
Leica M844 – Leica M820 / Ref. 10 713 294 / Version I
Adjust parfocality of the zoom video adapter.
➩Select the highest magnification.
➩Place a flat test object with sharp contours under the
objective.
➩Look through the eyepieces and focus the
microscope.
➩Select the lowest magnification.
➩Set the maximum magnification (f=100) on the zoom
video adapter.
➩Focus the monitor image on the zoom video adapter.
➩Set the desired image magnification at the zoom
video adapter.
Fitting the phototube
Focusing knob
➩Fasten the phototube to the video port of the
0°-assistant's attachment (Leica M844) or to the beam splitter
(Leica M820).
➩Secure the camera adapter to the SLR camera.
➩Connect the f = 250 mm or f = 350 mm adapter to the camera
adapter.
➩Secure the camera, complete with adapter, in the phototube.
Tighten the clamping screw.
Adjusting the magnification
Camera
Camera adapter
Adapter
Clamping screw
Phototube
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