2" AR Series Focuser 500-1000 Designed for both planetary and

Designed for both planetary and deep-sky observation

Water-resistant and rubber-coated for protection against minor bumps

Simply remove the rubber stopper and insert shaft through and attach with nut and washer

Synthetic coconut shell buttons

Is the battery always dead when you turn it on

2" AR Series Focuser 500-1000 Designed for both planetary andExplore Scientifics dual speed, 2" AR Series Focuser comes with a 1. 25" compression ring eyepiece adapter for added versatility. This adapter or your 2" eyepiece or barreled accessory locks securely into place with three set screws so everything stays put. The heavy duty focuser has 10: 1 micro focusing knobs as well as a rough focus knob. This 10: 1 ratio means that you would have to rotate the micro focusing knob ten times to get the same focus