| 30 EUR | (37.50 EUR incl. vat) |
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Delivery - immediate
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Sign the laser pointer through a grille and determine the wavelength.
Compare different interference patterns using laser pointers of different colours.
The eye perceives violet light to be weaker than red and green light. This is why this laser pointer is less suitable as a pointer than the red and green laser pointers.
Power: < 1 mW.
Wavelength: 405 nm.
Dot diameter: 4 mm at 5 m.
Material: Strong casing made of metal.
Batteries: 2 x LR03 (supplied).
Automatic shutoff with sprung switch.
Weight: 54 g.
Guarantee: 1 year.
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