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COATED ACHROMAT, 31.5MM DIA.
Focal length is 51mm. Coated cemented doublet. Made to be part of a mili-
tary eyepiece assembly. These are lens elements #7 & 8. Unused.
L1492 $7.00 or 10 for $56.00
RECTANGULAR ACHROMAT, CTD
37.3mm diameter by 28.7mm wide by 11.5mm thick. Has curved edges.
105mm focal length. Coated
L1601 $5.50 or 10 for $45.00
15MM DIA MTD ACHROMAT
Achromat, in threaded barrel mount (has both inside
and outside threads). Lens is 15mm clear diameter by
50mm focal length. Mounting is 18.8mm diameter by
12mm long. Not coated. Unused.
L1657 $5.50 or 10 for $40.00
COATED RECTANGULAR ACHROMAT
This makes a super magnifier. 31.7mm x 23.7mm x
10.2mm thick. Coated achromat with curved edges.
100mm focal length. Unused.
L1725 $5.00 or 10 for $40.00
HASTINGS TRIPLET - UNMOUNTED
These are typically used as high power magnifiers.
Cemented three element design provides the ultimate
in distortion and spherical aberration free, color cor-
rect viewing. 15mm diameter, 10x magnification.
Surface quality 60/40. Unused
L1865D $18.50
Achromats - Page 3
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