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selects the channel without interference to communicate
your images become sharper
you can control your camera
256MB DDR3 image buffer
Optolong L-PRO Filters Size:Full Frame EOS selects the channel without interferenceL Pro Introduction Optolong L Pro (L Professional) 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
