Orion 1.25" 45-degree Correct Image Prism Telescope Diagonal
by Orion
Our Price: $49.99
Availability: Usually ships in 1-2 business days
Category: Digital Camera
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Digital Photo Product Details
Manufacturer: OrionProduct features:
- For terrestrial or astronomical use, this diagonal produces a right-side-up, non-reversed image with correct daytime orientation
- Fully coated prisms for superior image fidelity and maximum light throughput
- Accepts 1.25" eyepieces, fits in 1.25" focusers
- Not recommended for use in Newtonian reflector or Dobsonian reflector telescopes
- Requires 5/8" more focus travel than typical star diagonals
Description of Orion 1.25" 45-degree Correct Image Prism Telescope Diagonal
For terrestrial viewing with a refractor or Cassegrain telescope, use of a correct-image (or image erecting) prism diagonal may be desirable. The image through the eyepiece image will appear upright and nonreversed, matching the naked-eye orientation. So a correct-image diagonal is essential for terrestrial viewing with the above telescope types and is useful for astronomical viewing for those that prefer to have the view through the telescope match the naked-eye orientation. We have three correct-image diagonals to choose from: a 45-deg 1.25" version, a 90-deg 1.25" version, and a 90-deg 2" model (with 1.25" collar). All are fully multi-coated and threaded for filters. Note that the 45-deg correct-image diagonal requires 5/8" more focus travel than typical diagonals. Diagonals are not recommended for use in reflector telescopes.Telescope Accessories
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