Baader Red 610nm Long-Pass Filter - Round Mounted - FCFR- Dioptrx Baseplate Dimensions: 2

Baader Red 610nm Long-Pass Filter - Round Mounted - FCFR- Dioptrx Baseplate Dimensions: 2About the Baader Red 610nm 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 Red 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. Substrates

SKU: 1703586044 · From composequickly.com