Nikon Labophot Repair Manual

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MECHANISM ANO PRINCIPLE
MECHANISM ANO PRINCIPLE
1. B-tube
• Depression angle of binocular body: 30°
Tube magnification: IX (with built-in relay lenses)
• Spring type eyepiece sleeve will cause no slack of the eyepiece.
o Special beam splitter offers brighter images.
R-4106.A
1. 8-tube
• Owing to Siedentopf type adopted, even though the interpupillary distance is changed (ranging
51 - 7 5 mm), for which prism cover @is vertically turned and moved, the tube length remains
constan t
ali the times.
111 Diopter adjustment is performed not with the adjusting collar, but with the eyepiece with a range
of -8 - +5 dptr.
• Tightness of interpupillary distance adjustment can be changed by the rotation of torque adjusting
screw
@.
OL
Benm ~plic rrism
\
\
OR
Fig. 12
1111 As shown in Fig. 12 images are produced at ÜL and OR by the parallel ray beams between @.
@. The right and left side prisms <@ and @) are revolved round the axis AA'.
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Nikon Labophot Specifications

General

Illumination	Built-in transmitted light, halogen lamp
Stage	Mechanical stage with coaxial controls
Focus	Coarse and fine focus knobs
Observation Methods	Brightfield, Phase Contrast
Condenser	Abbe condenser
Power Supply	AC 100-240V, 50/60Hz