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
Wider 58 Degree Field of View: The Alstar 1.25 Inch 58 Degree 2.5 mm wide angle telescope eyepiece is designed for astronomy enthusiasts; Offering a focal length range of 2.5 mm to 25 mm and a 58 degree wide field of view to capture more celestial details
Standard 1.25 Inch Barrel and Thread: Compatible with any telescope equipped with 1.25 inch focuser and the 1.25 inch female thread can also be connected with 1.25 inch telescope filter or other 1.25 inch telescope accessories; Whether for planetary observation or deepsky exploration this eyepiece delivers sharp and clear images meeting your high standards for stargazing
Description
The Alstar Stereo Bino Viewer allows you to adapt two eyepieces to your telescope and view with both eyes simultaneously. In addition to eliminating eye fatigue associated with viewing through one eye for a prolonged period of time, this bino viewer also provides a three dimensional effect while observing many celestial objects.The Stereo Binocular Viewer will also improve contrast on deep sky objects as well as solar system objects. The Stereo Binocular Viewer is designed to work with Schmidt-Cassegrain telescopes (SCT) and many refracting telescopes.Features high quality FMC BAK-4 prisms reduce light loss. Each unit is quality control inspected for collimation and performance.The Stereo Binocular Viewer requires you use two eyepieces of equal focal lengths and optical design.