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OBJECTIVE LENS, 38MM X 297MM FOCAL LENGTH
Coated, cemented doublet, achromatic objective lens designed to be used in
one of the military finders. Made up of a double convex lens (refractive
index of 1.5230, Abbe V# of 58.600) and a meniscus diverging lens (refrac-
tive index of 1.6210, Abbe V# of 36.200). Diameter is 38.1mm. Equivalent
focal length is 296.72mm, and back focal length is 296.164mm. Unused.
L1533 $7.25
TINY BESELER 125MM FL OBJ ASSY
Objective lens assembly made by Beseler. 125mm focal
length, and assembly is only 12mm diameter and 16mm
long, and threaded on the end.. Achromatic. Coated
optics. Combine this with our tiny eyepiece assembly
(L1620) for a super small telescope.
L1643 $5.00
MTD 15.3MM OBJECTIVE LENS, 55MM FL
Quality coated optics. Barrel is 21.1mm diameter on
top half and 19.7mm diameter on bottom half.
12.8mm long.
L1880 $7.00
MTD 70MM DIA OBJECTIVE, 800MM FL
Coated air spaced glass doublet objective lens, 70mm
clear diameter by 800mm focal length. Plastic mount
with threaded end. Mount is 74mm diameter.
Threaded end is 70mm diameter. This will make
a great quality telescope objective. Unused
L2148 $19.00
68MM DIA OBJECTIVE LENS, 360MM FL
Here's a great lens for a finder or spotting scope.
Coated optics. Cemented doublet achromat, 68mm
diameter by 360mm focal length. We had these made
for us in response to customer requests. Get two to
make a super binocular. New.
L2160D $29.50
Objective Lenses - Page 107
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