Antares 2"x2.25" Extension Tube (ET2TL) Accessory Position the clamp around the

Position the clamp around the eyepiece and release

Celestron has reinvented the manual telescope with StarSense Explorer-the first telescope that uses your smartphone to analyze the night sky and calculate its position in real time

The input/output ports have integrated covers to protect them when they are not in use

To insert your phone

Antares 2"x2.25" Extension Tube (ET2TL) Accessory Position the clamp around theThe Antares Extension Tube ET2TL extends any 2" accessory by 2. 25" with twist lock retainer. Works with any type of barrel: smooth, grooved or tapered. Accepts 2" filters. 2"x2. 25" extension with twist lock retainer. Threaded for M48x0. 6 filters.