StarField Dew Heater - 40cm at 8W - 4" or 102 mm - DH-4 Giant Binoculars 16") Back focus from top

16") Back focus from top of threaded collar 77

Near Focus: 27ft @ 20x

There are lots of easy to use interfaces on the sides of the ASIAIR Mini body:

5 mm FIELD STOP DIAMETER 8

StarField Dew Heater - 40cm at 8W - 4" or 102 mm - DH-4 Giant Binoculars 16") Back focus from topThis StarField dew heater is fitted with a 40 cm (15. 7") Velcro strap and is designed to fit a 4" or 100 mm 102 mm telescope. The strong velcro strap makes it easy to wrap the heater around your telescope and hold it in place. The DH 4 Starfield dew straps works with a 12V power supply (sold separately) and produces 8W of power. The dew strap is equipped with a standard RCA plug for compatibility with popular controllers. The RCA plug is attached to