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Microscope 2.5-D Lighting

Microscope 2.5-D Lighting
Interesting, surprising as well as scientifically useful visual effects can be obtained by employing coloured LEDs instead of the normal lamp fitted in the lighting assembly in a microscope base. Of course, the lamp can be simply replaced by a white LED with appropriate changes in the supply current/voltage etc., but it is more interesting to have three colours available — here, red, green and orange (amber) which are individually adjustable for intensity.
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