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Orion Dielectric Mirror Telescope Diagonals
$99.99 - $149.99
Accepted Payment
  • Orion Dielectric Mirror Diagonals feature 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
  • Machined and anodized aluminum diagonal housing features machine-threaded baffles for high contrast
  • Nosepiece barrel is threaded to accept Orion eyepiece filters
  • Available in both 1.25" and 2" sizes for use in either 1.25" or 2" refractor and Cassegrain telescope focusers

Our highest-quality diagonals feature sophisticated, lab-tested dielectric coatings that boast an astounding 99% reflectivity. Dielectric coatings are more durable than enhanced aluminum coatings, so you'll enjoy years of exceptional performance. The machined aluminum housings of Orion Dielectric Diagonals feature machine-threaded baffles to prevent internal light scattering and provide high contrast. Each model features a non-marring compression ring collar to avoid scratches on inserted telescope eyepiece barrels. Nosepiece barrels are threaded to accept like-sized Orion filters. Available in 1.25" and 2" sizes.

Limited Warranty against defects in materials or workmanship for one year from date of purchase. This warranty is for the benefit of the original retail purchaser only. For complete warranty details contact us at 800-447-1001.
  • User level
  • Coatings
  • Optical quality
    Diffraction limited
  • Filter threads
  • Compression ring
  • Warranty
    One year