StarField USB Dew Heater - 20cm at 4W - 2" to 60 mm - DH-2U Polarizing Filters By combining a luminance image

By combining a luminance image taken with the IR-Pass filter

During the secondary mirror collimation

Attaches to a camera tripod with 3/8” or 1/4” threads

like binoculars)

Use this Explore Scientific Shroud for 10" and 12" Truss Tube Dobsonians to keep out stray and unwanted light from your Truss Tube Dobsonian telescope

StarField USB Dew Heater - 20cm at 4W - 2" to 60 mm - DH-2U Polarizing Filters By combining a luminance imageThis StarField dew heater is USB powered and is fitted with a 20 cm (7. 87") Velcro strap and is designed to fit a 2 eyepiece or 50 mm or 60 mm guidescope or finderscope. The strong velcro strap makes it easy to wrap the heater around your telescope and hold it in place. The DH 2U Starfield dew strap works with a 5V power supply (sold separately) and produces 4W of power. The dew strap is equipped with a USB plug to be powered from a USB power bank.