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B.
SEQUENTIAL PROCEDURE OF OPTICAL ADJUSTMENTS
1.
Tools and Test Plate
a.
Eyepiece with cross hairs GlOX
b.
Focusing telescope
c.
Screwdrivers
d.
Dividers, flat and ball tips
e.
Photomicrographic equipment Model PM-6
f.
Shellac (adhesive)
g.
Test plate with 5/100 concentric circles
2.
Porro-Prism Centration
*
Porro-prisms should be centered within a range of interpupillary distance.
Working Steps
2-1) Remove right and left eyepiece tubes.
2-2) Remove covers AA4902 and AA4903.
2-3) Mount right and left eyepiece tubes.
2-4) Mount main body on stand and place test
plate (5/100 concentric circles) on
stage.
Set test plate in position with
stage clips.
2-5) Insert eyepiece with cross hairs GlOX
into right eyepiece tube.
2-6) Set drum lens 40X into position, and
bring concentric circles into focus.
Coincide
cent~rs
of concentric circles
and cross hairs of eyepiece.
- 8 -
Remarks
2-4)
I
•
Test Plate (5/100 concentric circles)
2-6)
Concentric
circles
Cross
hairs
Centered
•
x~5tZ
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