The RB-Focus fan mount allows you to place a 92mm computer fan in the back of your reflector telescope thus helping the ventilation of the primary mirror, what allows you to reach the point of thermal stability more quickly cc781905-5cde-3194-bb3b-136bad5cf58d_Available in 2 versions, one for 150mm telescopes and another for 200mm aperture.
 
Many times what damages the quality of the images is not the seeing, but the hot currents that can remain in the tube time after the equipment is assembled._cc781905-5cde- 3194-bb3b-136bad5cf58d_Placing a fan in addition to preventing dust from entering open designs such as the Newton, allows you to solve once and for all the inconvenience that all mirror telescopes have, the famous wait for the temperature of the equipment is leveled to be able to start an Astrophotography or Visual session.