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Please Note

Orion has made the difficult decision to close our warehouse facility in the Netherlands. With the continuing supply chain/logistics challenges and slowness in the economy we have found that it is not economically feasible to maintain operations in the UK and Europe.

We have therefore stopped taking orders on this website. We apologize for any inconvenience.

We will continue to have Orion dealers in Europe to meet the needs of Orion consumers. We will also continue to honor the 30-Day product return period as well as honoring the Orion warranty for purchases made in the UK and Europe.

Our US-based Customer Service Representatives are here to help. Contact them via email at support@telescope.com or in the United Kingdom, via phone at 0-800-041-8146 (Monday-Friday between the hours of 1300 and 2400 GMT).

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Orion Telescopes
Intermediate
Orion 1.25" Deluxe 45-degree Correct-Image Prism Diagonal
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This product is no longer available for purchase.
  • Turn any refractor or Cassegrain telescope into a high-performance daytime spotting scope with our Deluxe 45-deg Correct-Image Diagonal
  • High-quality prism diagonal provides a comfortable, 45-deg viewing orientation for great daytime terrestrial views
  • Sporting a 27mm clear aperture, multi-coated prism, our Deluxe 45-deg Correct-Image Diagonal provides sharp views that are right-side-up and correct left-to-right
  • 3 arcsecond tolerance prism is 35% larger than prisms used in other models, providing a wider, more pleasing view
  • Not recommended for use with Newtonian reflector telescopes


Learn more
Item #  08754e

Turn any refractor or Maksutov-Cassegrain telescope into a high-performance spotting scope! Install our high-quality Deluxe 45° Correct-Image Prism Diagonal in a telescope to have it transmit a view that's right-side-up and correct left-to-right for optimized daytime viewing performance.

For comfortable daytime viewing of terrestrial subjects, a 45° correct-image diagonal is a necessity. Our high quality Deluxe 45° Correct-Image Prism Diagonal features a highly accurate, multi-coated image-erecting prism with a tight 3 arcsecond optical tolerance and a 27mm clear diameter. Views through the diagonal appear right-side up and correct left-to-right, making it easy to read distant signs and accurately determine the direction of a subject's motion. It's ideal for use with Maksutov-Cassegrain and refractor telescopes used for terrestrial viewing.

Our Deluxe 45° Correct-Image Prism Diagonal features a 35% larger prism compared to other correct-image models, providing a wider, more pleasing field of view with correct daytime orientation. In fact, the quality, fit-and-finish, and performance level of the Orion Deluxe 45° Correct-Image Prism Diagonal rivals that of much more expensive models. Its 27mm clear aperture, multi-coated prism yields bright, high contrast views. Weighs 5.6 oz.

Diagonals are not suitable for use with Newtonian reflector telescopes due to insufficient focus travel.

Warranty

Limited Warranty against defects in materials or workmanship for one year from date of purchase. This warranty is for the benefit of the original retail purchaser only. For complete warranty details contact us at sales-eu@telescope.com

  • User level
    Intermediate
  • Barrel size
    1,25"
  • Coatings
    Multi-coated
  • Optical quality
    Diffraction limited
  • Filter threads
    Yes
  • Compression ring
    Yes
  • 2"-1.25" adapter
    Sold separately
  • Additional included accessories
  • Other features
  • Warranty
    One year

Orders received by 5pm UTC for in-stock items ship the next business day. When an item is not in-stock we will ship it as soon as it becomes available. Typically in-stock items will ship first and backordered items will follow as soon as they are available. You have the option in check out to request that your order ship complete, if you'd prefer.

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