StarField USB Dew Heater - 20cm at 4W - 2" to 60 mm - DH-2U Polarizing Filters Durable body to stands up

Durable body to stands up to minor bumps and jolts while protecting the optics from wet/humid weather and other difficult environments

and low pupil sensitivity for daytime use were specified criteria and a hallmark of the TeleVue Ethos Eyepiece design

During the secondary mirror collimation

The EQ8-R series (this mount and the other models) feature a massive 110 pound (50 kg) payload capacity

StarField USB Dew Heater - 20cm at 4W - 2" to 60 mm - DH-2U Polarizing Filters Durable body to stands upThis 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.