Mercury light source, 20W low pressure discharge lamps for spectral work. Delivers approximately 100 lux at 20 cm with prominent lines at 434.7, 546.0, 577.0, and 579.1 nm as well as many faint lines.
Premium red and green laser pointer. Green laser range is 6000 ft at 532nm wavelength. Red laser range is 1500 ft at 650nm. Perfect for small and large meeting rooms. FDA Class IIIA Compliant. Size is 5/8in x 6 1/8in. 2 AAA batteries
Economical laser pointer, are useful for many optical experiments, Lasers operate on a push-button switch, are housed in a rubberized aluminum pen-style case, and include a pocket clip. Also includes a proprietary clip that is designed to hold laser button during experiments
Sodium light source, 20W low pressure discharge lamps for spectral work. Delivers approximately 350 lux at 20 cm and more than 90% of the light is concentrated in the doublet at 588.9/589.5 nm. Faint lines of the mercury spectrum are also visible.
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