Centering Eyepiece Adapter

Howie Glatter

3850 Sedgwick Ave., 14F, Bronx, NY 10463

Sean Walker
Howie Glatter now offers an innovative 2-to-1¼-inch adapter that properly squares your eyepieces, collimation devices, and cameras to the optical axis in your 2-inch telescope focuser. The Parallizer is machined with a wide vertical recess on the inner and outer barrels to ensure perfect and repeatable squaring of all your optical accessories. Additionally, the knurled, non-marring brass thumbscrew is set at a 45° angle to eliminate cocking your 1¼-inch accessories when securing them in the adapter. The Parallizer is threaded to accept standard 2-inch filters.'s New Product Showcase is a reader service featuring innovative equipment and software of interest to amateur astronomers. The descriptions are based largely on information supplied by the manufacturers or distributors. Sky & Telescope assumes no responsibility for the accuracy of vendors statements. For further information contact the manufacturer or distributor. Announcements should be sent to Not all announcements will be listed.

All comments must follow the Sky & Telescope Terms of Use and will be moderated prior to posting. Please be civil in your comments. Sky & Telescope reserves the right to use the comments we receive, in whole or in part, and to use the commenter’s username, in any medium. See also the Terms of Use and Privacy Policy.


This site uses Akismet to reduce spam. Learn how your comment data is processed.