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Orion Correct Image Diagonal, 1.25" | 
| Brand: Orion
Buy New: $39.95
Media: Electronics
MPN: 07216
UPC: 410000064931
EAN: 0410000064931
ASIN: B0000XMYEW
Availability: Usually ships in 1-2 business days
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| Features:
| • | For terrestrial or astronomical use, this diagonal produces an right-side-up, nonreversed image | | • | Fully coated prisms for superior image fidelity | | • | Requires 5/8" more focus travel than typical star diagonals | | • | Accepts 1.25" eyepieces |
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| Editorial Reviews:
Product Description
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.
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