Nikon Labophot Repair Manual

,,-·
R-4106.A
ADJUSTMENT
1. Depression Prism Unit
2) If, in this case, such a center displacement cannot be corrected by moving the lens chamber
G), make adjustment of prism 'B , as below:
a) For lateral adjustment, place a piece of silver foil (0.1 mm thick) undemeath, as shown in
Fig. 31, to cause a movement corresponding to 5 scale Unes.
b) For vertical adjustment, move prism @ along the wall of prism mount (D, as shown
in Fig. 31.
Fig. 31
(F·tube)
1) Moving lens chamber ® (with @) and ·'.§ inside), make the displacement within a range
of 2 scale Unes in the Kellner eyepiece.
2) If the center displacement cannot be corrected by moving chamber ®· make adjustment of
prism @ , as below:
P1ace a piece of silver foil (0.1 mm thick) underneath, as shown in Fig. 32, to cause a movement
corresponding to 5 lines.
-41-
Silvcr foil
Eycpicce saile
A
B
The center displacement
direction of the test plate by
a piece of illver foil (A, B)
Fig. 32

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