Product Overview
- Angular scale: 150 mm diameter circle with protective shield; double-ended vernier reads 30 seconds of arc.
- Fine adjustments: Fine adjustment screws on both telescope and table; clamping screw allows coarse hand movement.
- Collimator: 178 mm focal length, achromatic objective with 32 mm lens, 28 mm clear aperture, unilaterally adjustable 7 mm slit. Mounted on a fixed pillar.
- Telescope: 178 mm focal length, achromatic objective 32 mm (28 mm clear aperture), 10× Ramsden eyepiece with glass cross-line graticule. Movable pillar with rack & pinion focusing.
- Accessories included: prism clamp, diffraction grating holder, magnifier (bifocal), tommy bar for axis adjustment.
- Case & docs: Supplied in plywood case with comprehensive setup instructions.
This advanced teaching spectrometer by Eisco Scientific combines high angular resolution (30″ vernier) with laboratory-grade optics and convenient adjustment features. The 178 mm focal length optics and 10× Ramsden eyepiece make spectral lines easy to observe, while the robust adjustment hardware lets students and instructors align and measure with confidence.
Ordering Information: The prism and diffraction grating are NOT included in this kit. Contact us for the range of available prisms and gratings for use with this spectrometer.
