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Give views a new angle with prism and mirror diagonals
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Orion Telescope Diagonals

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Orion Dielectric Mirror Telescope Diagonals
Orion dielectric mirror diagonals are our highest quality diagonals, and a very good upgrade for that extra bit of performance in a refractor or schmidt cassegrain telescope. Features 99 percent reflectivity and extremely durable coatings.
$89.99 - $139.99

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Orion 1.25" Prism Star Telescope Diagonal
3.5 / 5.0
The 1.25" Orion Prism Star Diagonal produces right-side-up images that are reversed left to right. The fully coated prisms provide superior image fidelity. It is not recommended for use with reflector telescopes or for terrestrial observing.
$39.99

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Orion 1.25" Enhanced Mirror Star Telescope Diagonal
4.9 / 5.0
The mirror in this 1.25" Orion Enhanced Star Diagonal has been meticulously polished and features enhanced aluminum coatings to yield excellent 97% reflectivity. It fits 1.25" focusers and accepts 1.25" eyepieces. Ideal for refractor telescopes.
$69.99

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2" Orion Refractor Telescope Mirror Diagonal
5.0 / 5.0
The 2" Orion Refractor Mirror Diagonal has a meticulously polished mirror to yield maximum performance. It fits 2" focusers, accepts 2" telescope eyepieces and includes a 1.25" eyepiece adapter. Not recommended for use in reflector telescopes.
$79.99

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Orion 1.25" 45-degree Correct Image Prism Telescope Diagonal
4.7 / 5.0
For upright, non-reversed images you need a correct-image diagonal. The Orion 45° Correct-Image Prism Diagonal is perfect for terrestrial viewing with a refractor or Cassegrain telescope. Fully multi-coated prisms give you superior image fidelity
$49.99

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Orion 1.25" Correct-Image Star Telescope Diagonal
5.0 / 5.0
The 1.25" Orion Correct-Image Star Diagonal is perfect for terrestrial use or for amateur astronomers who want a view that matches the orientation of a star chart.
$49.99

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Orion 1.25" Deluxe 45-degree Correct-Image Prism Diagonal
4.6 / 5.0
Turn any refractor or Maksutov-Cassegrain telescope into a high-performance spotting scope! Install our Deluxe 45° Correct-Image Prism Diagonal in a telescope to transmit a view that's right-side-up and correct left-to-right for sharp daytime vie
$79.99

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