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Quantum Efficiency: High QE for exceptional light capture
Pagers and beepers in warehouse
000 light years away from Earth in the constellation of Cygnus
Capacitance screen
Optolong CLS Filters Telescope Mounting Clamp Quantum Efficiency: High QE forThe Optolong CLS (City Light Suppression) broadband filter is designed to improve the visibility of various deepsky objects. By selectively reducing the transmission of wavelengths of light pollutants, specifically those produced by artificial lightings including mercury vapor lamps, both high & low pressure sodium vapor lights and the unwanted natural light caused by neutral oxygen emission in our atmosphere (i. e. skyglow). Together with the highly
