Baader Red 610nm Long-Pass Filter - Round Mounted - FCFR- Dioptrx Construction: All Areo-Space Grade Anodize

Construction: All Areo-Space Grade Anodize Aluminum Case

Tripod Folded Height: 32 inches

Tele Vue 40mm Plossl Eyepieces deliver sharper images than any other brand of 4 or 5 element "Plossl" or Orthoscopic designs

Allows for more parfocal options with TeleVue eyepieces

Exit Pupil = 2

Baader Red 610nm Long-Pass Filter - Round Mounted - FCFR- Dioptrx Construction: All Areo-Space Grade AnodizeAbout 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