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1.25 Diagonal Mirrors

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Arcturus 1.25 inch Mirror Diagonal

Mirror diagonals are well known for superior performance over prism diagonals, but they are typically a high cost item. This is not the case with these fine diagonals from Arcturus! These mirror diagonals use a top quality first surface mirror. Includes dust cap.


Our price: $35.00 (€30.45)
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Celestron 1.25 inch Mirror Diagonal

Fits telescopes with 1.25” focusers or visual backs, 90º viewing angle, best for observing objects overhead.

Accepts standard 1.25” eyepieces, Barlow lenses, and other accessories with a 1.25” insert barrel.


Our price: $39.95 (€34.76)
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Meade #918A Diagonal Prism (1.25")

Mirror diagonals are well known for superior performance over prism diagonals, but they are typically a high cost item. This is not the case with these fine diagonals from Arcturus! These mirror diagonals use a top quality first surface mirror. Includes dust cap.


Our price: $39.99 (€34.79)
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Orion Dielectric Mirror Star Diagonal 1.25"
  • 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

Our price: $89.95 (€78.26)
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Stellarvue Dielectric Star Diagonal - 1.25" - D1030

Comes with a thick, precision, optical flat mirror with an  enhanced 99% reflective dielectric coating. Compression ring holds eyepieces firmly and the insert tube has the safety groove and filter thread.  All aluminum construction. Individually tested here for perfect alignment and freedom from astigmatism


Our price: $99.00 (€86.13)
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Televue 90 degree Everbrite Star Diagonal 1.25

* Dielectric, nonmetallic mirror coating for 99% reflectivity across the full spectrum. * The TeleVue Everbrite Diagonal - DPC-1250 was custom machined to fit all 1.25" focusers, visual backs, eyepieces and filters. * The mirror blank is polished to an accuracy of 1/10th wave flatness. * The TeleVue Everbrite Diagonal - DPC-1250 weighs 8 ounces. * Five Year Manufacturer Warranty.


Our price: $190.00 (€165.30)
Market price: $225.00 , save 16%
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Televue 90º Enhanced Star Diagonal - 1.25"

* Enhanced aluminum coatings deliver a full 95% reflectivity. * The TeleVue Enhanced Star Diagonal - DSC-0125 quartz coats the mirror surface for extended life. * Fits all 1.25" focusers and 1.25" eyepieces. * Precision machined from solid aluminum. * The TeleVue Enhanced Star Diagonal - DSC-0125 is anti-reflective coated for maximum image contrast. * Weighs 8 ounces. * Five Year Manufacturer Warranty.


Our price: $140.00 (€121.80)
Market price: $165.00 , save 15%
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Televue Everbrite 60 degree 1.25 Diagonal

* The Tele Vue 60º Everbrite Diagonal provides a comfortable 60º angle. * Great for terrestrial use and birding. * The Tele Vue 60º Everbrite Diagonal yields images that are right-side up, but left-to-right reversed.


Our price: $245.00 (€213.15)
Market price: $250.00 , save 2%
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