TM 5-6675-307-14
7-8.
Microscope Prismatic Eyepiece
b. Disassembly.
Disassemble prismatic
a. General.
eyepiece in the order of the index numbers in figure 7-8.
The microscope prismatic
eyepiece mounts on the microscope focusing knob and
is used when making acute angle observations.
Figure 7-8. Microscope prismatic eyepiece, exploded view.
c.
Cleaning.
(2) Clean pentaprism with lens tissue.
d. Inspection.
WARNING
(1) Inspect pentaprism for chips, cracks,
Dry cleaning solvent, P-D-680, used
scratches and etching.
to
clean
parts
is
potentially
(2) Check non-optical parts for cracks and
dangerous
to
personnel
and
distortion.
property.
Avoid repeated and
(3) Check condition of threads. Replace
prolonged skin contact. Do not use
any damaged parts.
near open flame or excessive heat.
e. Reassembly.
Reassemble prismatic
Flash point of solvent is 100F.
eyepiece in reverse order of disassembly.
(38C.) 138 F. (59 C.).
(1) Clean non-optical parts with cleaning
solvent, Federal Specification P-D-680.
7-12