ZWO ASI Dew Heater Band for Astro Cameras dual speed focuser The software automatically moves to

The software automatically moves to the reference stars

but it has been completely redesigned and offers many more advances in both reliability and performance

even with a longer exposure times

25" Zenith prism

CNC milled aluminium

ZWO ASI Dew Heater Band for Astro Cameras dual speed focuser The software automatically moves toThere's nothing more frustrating than an imaging session cut short because of dew or frost forming on your optics. While dew heater bands can protect the optics of your telescope from this problem, it can also happen on your camera sensor itself, especially when you begin to cool it to sub zero temperatures. This anti dew heater strip is used for anti dew on the front window of the ASI cooled cameras (for ones which don't already have build in