Explore Scientific AR Series Focuser - 2" - FOCDAR-00 variant Like other "Naglers

Like other "Naglers

Utilizes a non-marring soft brass compression ring

75" stainless steel worm gear and unique roller bearing design with both Steel and Nylon ball bearings rotating around a wide 9

Each slide is numbered and ships in a protective wooden case with identification sheet

About the Explore Scientific 40mm 68 Degree Series Waterproof Telescope Eyepiece - 2"

Explore Scientific AR Series Focuser - 2" - FOCDAR-00 variant Like other "NaglersAbout the Explore Scientific 2" AR Series Focuser The Explore Scientific Focuser is available in several different models, and while there are some differences, especially on the "telescope end", there are a lot of similarities as well. All Explore focusers are 2", and come with 1. 25" compression ring eyepiece adapters. The adapter, or your 2" eyepiece or barreled accessory, locks securely into place with three set screws so everything stays put. All