Quick Answer: The Diffraction Spectroscope - Pocket is an 80 mm long, 19 mm diameter spectroscope for examining the spectral composition of light sources and radiant bodies, giving a dispersion of approx. 11°.
Last updated: October 2026
Key Features
Dispersion of approx. 11°
Eyepiece on a draw tube, adjustable in relation to the slit
Fixed width slit protected by a glass cover plate
Resolves both sodium D lines, 589 nm and 589.6 nm
Fraunhofer lines visible
Supplied in a carrying case
Technical Specifications
Specification
Value
Dispersion
Approx. 11°
Length
80mm
Diameter
19mm
Slit
Fixed width, glass cover plate
Resolution
Sodium D lines, 589 nm and 589.6 nm
About This Product
Moving the draw tube adjusts the eyepiece in relation to the slit until a sharply defined spectrum is obtained. The instrument is used to examine the spectral composition of light sources, radiant bodies and similar sources. Export supply of the Diffraction Spectroscope - Pocket can be arranged to laboratories and schools in Costa Rica, Chile, Georgia, Guinea-Bissau, Fiji and Liberia.
Frequently Asked Questions
Q1. Can it separate the sodium D lines? Yes. Both sodium D lines, at 589 nm and 589.6 nm, are independently resolved, and the Fraunhofer lines are visible.
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