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MTD HIGH QUALITY DIAGONAL
This is a beauty. Unused in original box. Not sure what
the original design was for as the label states "1x
stereo lens. CAT. NO.53-70-30. Clearly made for right
angle viewing for some instrument. Openings are 25mm.
Top has bayonet type mount. 3 screws hold the diagonal
onto the assembly, so it can easily be removed for
other applications.
L1768 $15.00
17MM BK7 FRONT SURFACE MIRROR
Quality front surface mirror, 17mm diameter by 2mm
thick. First surface is aluminized. Made of BK7 optical
glass. Looks like at least 1/4 wave accuracy. New.
L3129D $5.00
UNCOATED 2-1/2" F/10 SPHERICAL MIRROR
Plate glass. Polished but not aluminized. 24" focal
length. Uncoated mirrors are sometimes used in solar
projection scopes.
L3171 $2.50
PRECISION 50MM MIRROR MTD ON STAND
Perkin Elmer #L1165113 "TGS Flat
Mirror Assembly". Designed to be used in
a Perkin Elmer detector unit with lasers.
Mirror is 50mm diameter by 5mm thick
and appears to be at least 1/10 wave accu-
racy. It's mounted on a metal assembly with 4 mounting
screws. The top of the mirror sits 100mm from the bot-
tom of the stand. The unit screws into a wood base
which is enclosed in a protective box. Installation instruc-
tions are included. Unused. Only have a few.
L3184 $65.00
Mirrors - Page 83
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