Feature(may vary by option.)
●90 diagonal features sophisticated, lab-tested dielectric coatings that boast an astounding 99 percent reflectivity●Dielectric mirror coatings are more durable and more reflective than enhanced aluminum coatings●Diagonal provides a comfortable 90-degree viewing orientation when observing the night sky through a refractor, Maksutov-Cassegrain (Mak-Cass) or Schmidt-Cassegrain telescope●Machined and anodized aluminum housing features machine-threaded baffles for optimized contrast●1.25" nosepiece barrel is threaded to accept like-sized Orion eyepiece filters[2 ]
![](https://m.media-amazon.com/images/I/41byZP-soHL._AC_.jpg)
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Description
From the Manufacturer
90 degree diagonal features sophisticated, lab-tested dielectric coatings that boast an astounding 99 percent reflectivity. Dielectric mirror coatings are more durable and more reflective than enhanced aluminum coatings. Diagonal provides a comfortable 90-degree viewing orientation when observing the night sky through a refractor, Maksutov-Cassegrain (Mak-Cass) or Schmidt-Cassegrain telescope. Machined and anodized aluminum housing features machine-threaded baffles for optimized contrast. 1.25" nosepiece barrel is threaded to accept like-sized Orion eyepiece filters