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Orion 7216 1.25-Inch 45-degree Correct Image Prism Telescope Diagonal

For terrestrial or astronomical use this diagonal produces a right-side-up non-reversed image with correct daytime orientation
Fully coated prisms for superior image fidelity and maximum light throughput
Accepts 125 eyepieces fits in 125 focusers
Not recommended for use in Newtonian reflector or Dobsonian reflector telescopes
Requires 58 more focus travel than typical star diagonals :