Spectrometer, Standard
Reads to 6 minutes of arc (0.1°) 170 mm diameter metal scale graduated 360° x 1°, independently rotatable, with locking screw, vernier attached to the telescope reads to 0.1° (6 minutes of arc). The collimator is mounted on a fixed pillar, with an achromatic objective of 150 mm focal length and 21 mm aperture, and has an adjustable slit 6 mm long. The telescope is on a movable pillar, with a fine adjustment screw, an achromatic objective of 170 mm focal length, 21 mm aperture, Ramsden eye-piece, and glass crosswire graticule. Both collimator and telescope have spiral focusing systems and axis adjusting arrangements. The table has 3 leveling screws, with lines marked to assist prism placement. With prism and grating holders, one small screwdriver, and one Tommy bar for axis adjustment. Without prism.
In Stock
Description
Reads to 6 minutes of arc (0.1°) 170 mm diameter metal scale graduated 360° x 1°, independently rotatable, with locking screw, vernier attached to the telescope reads to 0.1° (6 minutes of arc). The collimator is mounted on a fixed pillar, with an achromatic objective of 150 mm focal length and 21 mm aperture, and has an adjustable slit 6 mm long. The telescope is on a movable pillar, with a fine adjustment screw, an achromatic objective of 170 mm focal length, 21 mm aperture, Ramsden eye-piece, and glass crosswire graticule. Both collimator and telescope have spiral focusing systems and axis adjusting arrangements. The table has 3 leveling screws, with lines marked to assist prism placement. With prism and grating holders, one small screwdriver, and one Tommy bar for axis adjustment. Without prism.
Additional information
Description | The collimator is mounted on a fixed pillar, with an achromatic objective of 150 mm focal length and 21 mm aperture, and has an adjustable slit 6 mm long. |
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