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RIGHT ANGLE PRISM 30MM X 42MM X 30MM
Made of BK-7 optical glass. Length & width are 30mm,
and hypotenuse is 42mm. Right angle prisms are used
to achieve a 90 degree light path bend. The image will
be erect and reverse left to right. Can also be used in
combination for image/beam displacement. These are
unused and have surface quality of 60-40, dimensional
tolerance of +- 0.2 arc min, angle and pyramid tolerance
of +- 3 arc mins, and surface flatness of about 1/2 wave.
L2001D $12.00
MEDIUM SIZE DOVE PRISM
42.25mm long by 10mm wide by 10mm high. Face is
14.15mm by 10mm. Dove prisms are also called image
rotators because if you look through the prism and
rotate it about a longitudinal axis, the image rotates
through an angle twice as much as the prism. Unused.
Made of BK-7 optical glass. Surface finish 60-40 with
1/2 wave flatness.
L2002D $12.00
COATED LITTROW DISPERSION PRISMS
30-60-90 degree prisms. 37.9mm long by 22mm wide
and 22mm high. One surface is coated with AlSiO and
protected with black paint. It diverts the beam by 60
degrees without inverting or reverting the image.
Unused. Made of BK-7 optical glass with surface quali-
ty of 60-40 and flatness of 1/2 wave.
L2003D $14.00
RIGHT ANGLE PRISM 25MM X 35MM X 25MM
Made of BK-7 optical glass. Length & width are 25mm,
and hypotenuse is 35mm.Right angle prisms are used to
achieve a 90 degree light path bend. The image will be
erect and reverse left to right. Can also be used in
combination for image/beam displacement. These are
unused and have surface quality of 60-40, dimensional
tolerance of +- 0.2 arc min, angle and pyramid tolerance
of +- 3 arc mins, and surface flatness of 1/2 wave.
L2004D $9.00
Page 122 - Prisms
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