Tag: Orion Telescopes & Binoculars

Orion Telescopes & Binoculars 1.25-inch Pentaprism Diagonal
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Orion Telescopes & Binoculars 1.25-inch Pentaprism Diagonal

The Orion Pentaprism 90-Degree Diagonal ($199.99US) is a non-inverting, non-reversing 1.25-inch diagonal. Unlike typical star diagonals, it does not produce a mirror-reversed image, which can make navigation and referring to star maps difficult while observing with your telescope. But unlike common correct-image diagonals, there is no image degradation caused by […]