Designed after Kirchhoff and Bunsen. For the observation and measurement of emission and absorption spectra. With adjustable aperture, condenser and flint glass prism. Ideal for schools and universities. Observation tube: moveable, with locking screw slideable eyepiece, Objective:18 mm / 160 mm
Slit tube: stationary, with symmetrical slit Objective:18 mm / 160 mm
Scale tube: stationary, 200-division scale Eyepiece: 18 mm aperture, 90 mm focal length
Scale: Can be calibrated in wavelengths
Prism: Flint glass (60°)
Dispersion C-F 2° Length of base: 20 mm, height: 30 mm Weight: 4.8 kg