Celestron USB Cooling Fan for Dobsonian Telescopes

Keep your StarSense Explorer 10-inch and 8-inch Telescope cool with this USB Cooling Fan. By using this fan you can bring the primary mirror of the Dobsonian telescope to the ambient outdoor temperature faster. This results in crisper, better-focused views sooner. Celestron USB Cooling Fan for Dobsonian Telescopes Keep your StarSense Explorer 10-inch and 8-inch Telescope cool with this USB Cooling Fan. By using this fan you can bring the primary mirror of the Dobsonian telescope to the ambient outdoor temperature faster. This results in crisper, better-focused views sooner. Easy to mount The cooling fan mounts directly onto the rear cell of the StarSense Explorer 10 telescope. Working with any USB power source (we suggest one of these) the fan cools the primary mirror so that you are ready to observe faster than ever. Once cooled, the fan can be disconnected to preserve power. Powering the Cooling Fan Any USB power source can be used to charge the fan. It requ