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god of light
*Be careful with the The Antares 2-inch 0
Celestron Product Number: 93969
the new Celestron NexStar SE Computer Telescope Family combines the classic heritage of the original orange tube Celestron Telescopes with state-of-the-art features including a fully computerized operating system
Each Baader Planetarium IR-Pass Filter substrate is fine-optically polished plane parallel for 1/4 wavefront over entire surface
Baader Yellow 495nm Long-Pass Filter - Round Mounted - FCFY- Size:2" god of lightAbout the Baader Yellow 495nm Long Pass Filter Round Mounted Baader Planetarium astronomy filters by far supersede the mediocre quality of common "flame polished" color filters. A fine optical polish and 2 mm thick glass allows the Baader Yellow Filter to be inserted anywhere into the optical path without introducing astigmatism or other defects. For instance, they can be used in front of a binocular viewer without degrading the image in any way.
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