Tag Archives: diagonal

Optical Hardware budget 1.25″ 90 degree star diagonal

The Optical Hardware 1.25″ diagonal is an ideal low cost solution for astronomy. The 90 degree angle reduces neck strain for more comfortable views of the cosmos. This version has a plastic body and no filter thread. But this does … Continue reading

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Ostara 2″ dielectric 90-degree diagonal

A star diagonal is an accessory that uses a mirror or prism to make viewing more comfortable when using refractor , SCT or Mak telescopes. Available in 1.25″, 2″ or combinations. Some come with SCT fittings, and others do not.┬áNorthern … Continue reading

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