Diagonals
Showing all 7 results
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AccessoriesCelestron 1.25” 45° Erect Image Prism Diagonal
- Optical Universe Scientific Instrument
- High Quality Full Size Amaci Prism
- Provide Fully Illuminated Field Of View
- Prevent Vignetting Of Field Of View.
- Image Are Sharp And Crisp.
(0 reviews)$34.95 Add to cart -
AccessoriesDielectric Mirror Diag 1.25″
- 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
(0 reviews)$99.99 Add to cart -
AccessoriesDielectric Mirror Diagonal 2″
- 90-degree 2″ mirror diagonal features sophisticated, lab-tested dielectric coatings that provide an astounding 99% reflectivity
- Dielectric mirror coatings are more durable than enhanced aluminum coatings and provide higher reflectivity for maximum view brightness
- Machined and anodized aluminum housing features machine-threaded glare baffles for high contrast
- Nosepiece barrel is threaded to accept 2″ Orion filters, a 2″-1.25″ step-down adapter is included
- The diagonal is a great way to make nighttime viewing orientations through a refractor telescope more comfortable
(0 reviews)$129.99 Add to cart -
AccessoriesEnhanced Mirror Diagonal 1.25″
- The precision flat mirror in this 90deg diagonal is meticulously polished to yield excellent performance
- Anodized aluminum housings are internally blackened for high contrast views free of glare
- Fits 1.25″ telescope focusers, accepts 1.25″ eyepieces
- Enhanced Aluminum mirror coatings yield 97% reflectivity for bright clear views
- Includes dustcaps for storage
(0 reviews)$79.99 Add to cart -
AccessoriesMirror Diagonal, Refractor 2″
- Mirror diagonal with a 90deg design features polished optics to yield maximum performance of big 2″ telescope eyepieces
- 2″ diagonal for use with refractor telescopes
- Accepts 2″ eyepieces and includes 1.25″ eyepiece adapter for use with smaller 1.25″ eyepieces and accessories
- Fits 2″ focusers on refractor telescopes
- A convenient accessory for switching between large 2″ and 1.25″ eyepieces when viewing with a refractor telescope
(0 reviews)$79.99 Add to cart -
AccessoriesTwist-Tight Dielectric Mirror Star Diagonal 1.25″
- 1.25″, 90-degree mirror diagonal features sophisticated dielectric coatings with highly efficient 99% reflectivity for peak performance
- Twist-tight clamping mechanism grips inserted eyepieces more securely than typical thumbscrew-equipped diagonals – without scratching!
- Durable dielectric mirror coatings provide higher reflectivity for maximum brightness and contrast
- Machined and anodized aluminum housing features machine-threaded glare baffles to eliminate glare for great performance
- Nosepiece barrel threaded to accept 1.25″ Orion filters
(0 reviews)$119.99 Add to cart -
AccessoriesTwist-Tight Dielectric Mirror Star Diagonal 2″
- This 2″, 90-degree mirror diagonal features sophisticated dielectric coatings with highly efficient 99% reflectivity
- Twist-tight clamping mechanism grips inserted eyepieces more securely than typical thumbscrew-equipped diagonals – without scratches!
- Dielectric mirror coatings provide higher reflectivity for maximum brightness and contrast with more durability than enhanced aluminum coatings
- Machined and anodized aluminum housing features machine-threaded glare baffles for peak performance
- Nosepiece barrel is threaded to accept 2″ Orion filters, and a step-down 2″-1.25″ adapter is included
(0 reviews)$159.99 Add to cart
