Details
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.
Additional Information
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