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(i) Single axis
(ii) Dual axes
Common Features of Precision Auto –Collimator:
Objective focal length : 500 mm
Objective clear aperture : 45 mm
Eyepiece magnification : 10X
Telescope specification : 20X
Range of measurements : ±20¢
Working distance up to 5 meters. For full range of measurement : ±16¢
Working distance up to 10 meters. For full range of measurement : ±8¢
Number of division on micrometer : 60
Least count of micrometer : 2²
Precision of setting : 1²
Accuracy over full range of measurement : 2²
* Reflecting Mirror with base
Material: Optical glass BSC / BK-7
Front surface coated mirror. Coating material: Al. with protective coat of SiO.
Dia. 50 mm; Thickness: 10 mm; Clear aperture: 45 mm.
Front surface optically flat; Surface flatness: l/4; other face: fine ground.
Foot span of base: 110 mm; Width: 62 mm .
Bottom and sides are optically ground.Mirror is mounted on the base at 90° ±2¢.