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The red filter is mounted in a holder that can be screwed onto the focusing lens of the microscope camera. The red filter is used for observing the red cadmium line (λ = 644 nm) in the experiment normal Zeeman effect.  ... еще

A bandpass interference filter for the selection of the turquoise cadmium line (λ = 480 nm) for the anomalous Zeeman effect experiment. The bandpass interference filter is mounted in a holder that can be screwed onto the focusing lens ... еще

For additive and subtractive color mixing. Plastic transparencies fitted in slide frame between glass plates. Primary colors: red, blue, green, Secondary colors: cyan, magenta, yellow and violet еще

Set of 3 color filters in slide frames: Red, Green, Blue. Dimensions: 50 mm x 50 mm еще

Set of 3 secondary color filters in slide frames: Cyan, Yellow, Magenta. Dimensions: 50 mm x 50 mm еще

Narrow frequency-range optical filters for filtering out light of a specific wavelength from a spectrum featuring multiple wavelengths or for making a nearly mono-chromatic light source from a continuous spectrum. Diameter: 40 mm Thickness ... еще

Narrow frequency-range optical filters for filtering out light of a specific wavelength from a spectrum featuring multiple wavelengths or for making a nearly mono-chromatic light source from a continuous spectrum. Diameter: 40 mm Thickness ... еще