Alstar Stereo Binocular Viewer for Telescopes – Stereoscopic Viewer Offers a Immersive, Almost 3D Viewing Experience, Featuring an Adapted 1.25″ Barrel and Two 32mm Plossl Eyepieces

Features

• Nearly 3D Viewing: The Binocular Viewer turns the telescope into a binocular; This replaces the fatigue of observing with one eye; This means you can easily provide an immersive 3D viewing experience for lunar and planetary observations
• With 1.85x and 3x Barlow: The BinoViewer will work on any telescope with approximately 4 inch of inward focus travel; If your telescope has less focus travel; you can adjust the focus using the 1.85x and 3x magnifying glass included with the BinoViewer
• With Two Eyepieces: The binocular is equipped with two 32mm plossl eyepieces; the internal brass ring will be firmly fixed without damaging the eyepieces; You will need two identical eyepieces of the same focal length to be able to use a bino-viewer
• Multi-Coated BAK4 Prisms: Stereo Binocular Viewer do not change the orientation of the image; The optical surfaces of BAK-4 prisms are equipped with multilayer coatings designed to improve contrast while minimizing light loss
• Fits Most Telescopes: 1.25 inch standard focuser with standard filter thread; Fits most Newtonian telescopes; short refractor telescopes and Schmidt-Cassegrain telescopes