Alstar 1.25 Inch Telescope Eyepiece Parfocal Rings Set of Three Aluminum | Equalizes the Focus Positions, 3 Clamping Screws at a 120° Angle, 1.5mm Hex Key Included, Prevents Damage to Star Diagonals 2" - Set of Two
Size 2" - Set of Two
1.25" - Set of Three
2" - Set of Two
Special Features
Eliminate the need to make focus adjustments when changing telescope eyepieces
They are made of precision machined aluminium with black anodizing
With parfocal ring equipped telescope eyepieces you can change magnifications quickly and easily
This set of 3 Alstar Parfocal Rings lets you make a set of non-parfocal 1.25" telescope eyepieces parfocal for more efficient observing
Also useful for setting focus point of calibration eyepiece used for focusing an imaging or guide camera
{"error":"Error","cart_limit":"You have too many items in your cart.","prod_limit":"You cannot add any more of this item"}
{"email":"Please enter your email address","email_i":"Invalid email address"}
Copyright © Tilga 2026, all rights reserved.
Alstar Universal Quick Release Finder Shoe Base for Telescope Finder Scope | Aluminum Alloy, for Schmidt Cassegrains&Other Telescope 130-400mm Diameter, for MQR III&IV/Witty One and V-Bracket
SAR 131
Alstar Smartphone Telescope Adapter Universal Cell Phone Adapter Mount | Support Binocular, Monocular, Spotting Scope Telescope and Microscope Optical Device
SAR 89
Alstar C Mount to 1.25 Inch Video Camera Barrel Adapter Astrophotography | For C-mount (Male thread) to 1.25 Inch Eyepiece Convertor for Telescopes, Fit Any Telescope with 1.25 Inch Eyepiece Tube
SAR 84
Alstar Telescope Eyepiece 2 inch 15mm 80 Degree Ultra Wide View Eyepiece | Fully Multi Coated Optics, Super Wide Apparent Field, 2 inches Astronomy Accessory, Aluminum Alloy, 6 element in 4 group lens
SAR 418
