Celestron Nexstar 90 SLT Telescope 108 and the design is dust

and the design is dust and moisture resistant for reliable operation in challenging conditions

Twist lock mechanism: Easily deploy the tripods legs with ergonomic twist locks on each of the joins in-between the 3 leg sections

the MCEX-11 features electrical connections that allow use of AF and aperture control

This size allows compatibility with lenses ranging from 48mm to 82mm in diameter

weather-resistant construction

Celestron Nexstar 90 SLT Telescope 108 and the design is dustAffordable entry to mid level computerized GOTO telescope Designed to be an affordable entry level to mid level computerized GoTo telescope, the NexStar SLT refractors, reflectors, and Maks are available in the most popular sizes and are loaded with valuable design features. With preassembled, adjustable stainless steel tripods, and quick release fork arms and tubes, NexStar SLT telescopes can be set up in a matter of minutes with no tools required!