Alpine Astronomical Baader Hyperion 54mm-to-58mm DT-Ring HDT54/58
$20.00
Alpine Astronomical Baader Hyperion 54mm-to-58mm DT-Ring Afocal and Projection Astrophotography, Mount Eyepiece Directly to Camera Lens, Attaches to Lens Filter Threads, Use Telephoto Lens for Best Result TELESCOPES-Adapter Rings