Search query: 90 degree eyepiece
Product: Orion 8880 1.25-Inch Dielectric Mirror Star Diagonal
Brand: Orion
Highlights: 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
ESCI relevance label: E