Explore Scientific AR Series Focuser - 2" - FOCDAR-00 variant 75" stainless steel worm gear

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

Utilizes a non-marring soft brass compression ring

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

especially for eyeglass wearers or for those with fast telescopes who can really push high magnification eyepieces

Like other "Naglers

Explore Scientific AR Series Focuser - 2" - FOCDAR-00 variant 75" stainless steel worm gearAbout 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