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

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Orion 1.25" 45 Correct Image Prism Telescope Diagonal
4.8 / 5.0
For upright, non-reversed images you need a correct-image diagonal. The Orion 45anddeg; Correct-Image Prism Diagonal is perfect for terrestrial viewing with a refractor or Cassegrain telescope. Fully multi-coated prisms give you superior image fideli
€ 62.43

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1.25" Orion Dielectric Mirror Star Diagonal
4.8 / 5.0
The 1.25" dielectric mirror star diagonal angles the eyepiece to a comfortable viewing position, while dielectric coatings give you brighter images compared to a standard star diagonal. The harder surface from the coatings also makes cleaning easier.
€ 108.40

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Orion 1.25" Prism Star Telescope Diagonal
4.4 / 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.
€ 43.50

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Orion 1.25" Twist-Tight Dielectric Mirror Star Diagonal
This high-end diagonal features 99% reflectivity and a twist-tight clamping mechanism to securely grasp inserted 1.25" accessories with a simple clockwise twist of its red aluminum collar.
€ 138.91
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Orion 2" Twist-Tight Dielectric Mirror Star Diagonal
With its twist-tight clamping mechanism, the Orion 2" Dielectric Twist-Tight Mirror Star Diagonal presents a significant upgrade from typical thumbscrew-equipped diagonals. Boasting 99% reflectivity, this is the perfect diagonal for peak performance.
€ 219.96

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