AstroSystems

Laser Collimator with Barlow attachment Indispensable for fast and convenient collimation of Newtonians!

The Autocollimator is used to fine tune the optical alignment after using the LightPipe/SightTube or a laser collimator.

AstroSystems amazing Dew Guard secondary heating system attaches directly to your secondary mirror and then automatically senses the air temperature and the mirror temperature, then maintains the secondary mirror at a preset (adjustable) temperature above

1.5"-2.4" minor axis
2 watt max

AstroSystems amazing Dew Guard secondary heating system attaches directly to your secondary mirror and then automatically senses the air temperature and the mirror temperature, then maintains the secondary mirror at a preset (adjustable) temperature above

The Dew Guard installation kit contains all the hardware to wire the Dew Guard across the spider and connect to the remote switched battery box.