Description
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Spectrometer, Standard
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).
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 system and have axis adjusting arrangement.
The table has 3 leveling screws, with lines marked to assist prism placement.
With prism and grating holders, one small screw driver and one Tommy bar for axis adjustment Without prism.
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Cylinderical Lenses
Description
Cylindrical lenses made of highly polished glass, magnifies in only one dimension. These lenses are used in transforming a point image to a line or changing the height of an image without changing its width.
| Size | Focal length | Add To Enquiry |
|---|---|---|
| Double-Convex | 50 x 50 mm | 75 mm |
| Double-Convex | 50 x 50 mm | 150 mm |
| Double-Convex | 50 x 50 mm | 200 mm |
| Double-Convex | 50 x 45 mm | 75 mm |
| Double-Convex | 50 x 45 mm | 150 mm |
| Double-Convex | 50 x 45 mm | 200 mm |
| Double-Concave | 50 x 50 mm | 75 mm |
| Double-Concave | 50 x 50 mm | 150 mm |
| Double-Concave | 50 x 50 mm | 200 mm |
| Double-Concave | 50 x 45 mm | 75 mm |
| Double-Concave | 50 x 45 mm | 150 mm |
| Double-Concave | 50 x 45 mm | 200 mm |
| Plano-Convex | 50 x 50 mm | 60 mm |
| Plano-Convex | 50 x 50 mm | 75 mm |
| Plano-Convex | 50 x 50 mm | 100 mm |
| Plano-Convex | 50 x 50 mm | 150 mm |
| Plano-Convex | 50 x 45 mm | 60 mm |
| Plano-Convex | 50 x 45 mm | 75 mm |
| Plano-Convex | 50 x 45 mm | 100 mm |
| Plano-Convex | 50 x 45 mm | 150 mm |
| Plano-Concave | 50 x 50 mm | 60 mm |
| Plano-Concave | 50 x 50 mm | 50 mm |
| Plano-Concave | 50 x 50 mm | 300 mm |
| Plano-Concave | 50 x 45 mm | 60 mm |
| Plano-Concave | 50 x 45 mm | 50 mm |
| Plano-Concave | 50 x 45 mm | 300 mm |
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