New answers tagged

0

Olympus scopes are well-known for their excellent optics. Used examples are plentiful and modest in cost. They are easily customized with things like binocular eyepieces, mechanized stages, and camera output ports and both their eyepieces and objective lenses are available in a variety of magnification powers. They are also available as metallographic or ...


4

Large telescope mirrors are made by spinning a disc of molten glass so its surface assumes a parabolic shape, and then slowly cooling it while spinning so it retains that shape after it solidifies. Mirror blanks up to ten meters in diameter are routinely cast this way. After the mirror blank is finished, it is placed under a four-axis polishing machine ...


0

For experimentation purposes, one can make allowances for the lack of precision resulting from not using industry standard couplings. If your purpose of connecting fiber optic to an LED is to transmit signal data by means of modulating the LED, it's critical to have a solid optical match between the surfaces of the two materials. One can find index matching ...


Top 50 recent answers are included