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The Dew-Not dew remover is a thick film heater made for operation at 12 volts. Sixty-six percent of the surface area is heat emitting – meaning more even heat distribution and no localised hot spots. Using less power than many other dew heaters it’s often possible to dispense with a controller, using only a fused battery cable instead. Scroll down for specs…..
For camera lenses and smaller APOs we stock the CAM10 heater strip


Made in the USA the Dew-Not dew remover is a thick film heater made for operation at 12 volts.

Sixty-six percent of the Dew-Not dew remover surface area is heat emitting – meaning more even heat distribution and no localized hot spots.

Covered by over 30 US and international patents, and with more than 20 years of improvements and enhancements, the Dew-Not dew remover is reliable and efficient.

Each Dew-Not dew remover strip comes with a standard six foot cord and phono-plug connector.

A suitable 12 volt DC supply is required (either via mains transformer or battery) and a supply connector cable or controller.

Using 50 – 75% of the power of other dew heaters it’s now possible, in many situations, to dispense with the additional cost of a controller and to use only an inexpensive fused supply cable.


Technical Specifications


Scope / Eyepiece / Finder / Lens ……… Length / Power consumption
.965″ eyepieces 4.5″ (11.4cm) 2.1 watts 0.18 amp
1.25″ eyepieces 6.5″ (16.5cm) 3.1 watts 0.25 amp
2″ eyepieces & 50 / 60mm finders 9.0″ (22.9cm) 4.2 watts 0.35 amp
3″ scopes 13.0″ (33.0cm) 6.0 watts 0.50 amp
4″ scopes 15.5″ (39.4cm) 7.3 watts 0.61 amp
5″ scopes 16.7″ (42.5cm) 7.9 watts 0.66 amp
6″ scopes 20.5″ (52.1cm) 9.6 watts 0.80 amp
7″ scopes 25″ (63.5cm) 11.8 watts 0.98 amp
8″ scopes 30″ (76.2cm) 14.0 watts 1.18 amps
9.25″ scopes 33″ (83.8cm) 15.5 watts 1.30 amps
10″ scopes 38″ (96.5cm) 17.8 watts 1.49 amps
11″ scopes 40″ (101.6cm) 18.8 watts 1.57 amps
12″ scopes 43″ (109.2cm) 20.2 watts 1.68 amps
14″ scopes 49″ (124.5cm) 23.0 watts 1.92 amps
16″ scopes 55″ (139.7cm) 25.8 watts 2.15 amps
Binoviewers 2 x (6″ (15.2cm) 5.6 watts 0.47 amps)


For camera lenses and small APOs we now stock the Dew Not CAM10 heater strip


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