Chapter 2: Instrument Setup 43
Filter and Mirror Specifications
Table 2-1 Longpass dichroic mirrors in octagon or trigon
Specification Measurement
diameter 0.625 in. +0.000, –0.005
minimum clear aperture 0.562 in.
incident angle 11.25°
thickness 0.125 in ±0.005 in.
Table 2-2 Bandpass filters in octagon or trigon
Specification Measurement
diameter 1.00 in. ±0.010 in.
minimum clear aperture 0.85 in.
incident angle 0°
thickness 0.12–0.35 in.
LSR2.book Page 43 Tuesday, April 25, 2006 3:34 PM
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