Orion Diagonals

Orion star diagonals and erecting prisms will work with any telescope equipped to accept a slip-in diagonal. This includes almost all refractors. Adapters are generally needed to attach these diagonals to Schmidt-Cassegrain telescopes.

  • Orion 1.25-inch 45-degree Correct Image Diagonal
  • Orion 1.25-inch 45-degree Correct Image Diagonal

  • For terrestrial or astronomical use, this diagonal produces a right-side-up, non-reversed image with correct daytime orientation read more...
  • Our price: $38.00

  • Orion 1.25-inch Correct-Image Star Telescope Diagonal
  • Orion 1.25-inch Correct-Image Star Telescope Diagonal

  • For terrestrial or astronomical use, this 1-1/4 inch 90-degree diagonal produces an upright non-reversed image. read more...
  • Our price: $39.00

  • Orion Dielectric Mirror Star Diagonal 1.25-inch
  • Orion Dielectric Mirror Star Diagonal 1.25-inch

  • 90-degree diagonal features sophisticated, lab-tested dielectric coatings that boast an astounding 99 percent reflectivity read more...
  • Our price: $89.00

  • Orion Dielectric Mirror Star Diagonal 2-inch
  • Orion Dielectric Mirror Star Diagonal 2-inch

  • 90-degree 2" mirror diagonal features sophisticated, lab-tested dielectric coatings that provide an astounding 99% reflectivity read more...
  • Our price: $139.00


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