4tronix Secondary Mirror Dew Heater for 8'' Newtonian Telescopes
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4tronix Secondary Mirror Dew Heater for 8'' Newtonian Telescopes4tronix Secondary Mirror Dew Heater for 8'' Newtonian Telescopes4tronix Secondary Mirror Dew Heater for 8'' Newtonian Telescopes4tronix Secondary Mirror Dew Heater for 8'' Newtonian Telescopes

4tronix Secondary Mirror Dew Heater for 8" Newtonian Telescopes

£20.00✓ 2 year warranty

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14x in stock shipped 1-2 working days

About this product

Model:  4tronix_8_sec_htr
Part Number:  SECHTR

Secondary Mirror Heater for 8" Newtonian Telescopes

A convenient solution to dew and ice forming on your secondary mirror.

Easy to fit and very effective. - everything you need is supplied.

When fitted simply plug the RCA/phono plug into your 12V dew heater controller. 

"At the end of the night, everything was dripping wet (including the laptop!), but the secondary mirror was perfectly dry!! So in my book, that is a resounding success!" - Steve Oates, astrophotographer

Designed specifically for SkyWatcher and Celestron 8" Newtonian telescopes, but may fit other similar models. 

What's in the box

  • Secondary heater PCBA
  • 50cm cable
  • Thermally conductive double-sided tape to fit PCBA to back of mirror
  • Black insulating tape to fix the cable to the support vanes

Specifications

  • Current on 12V continuous: 250mA
  • Power on 12V continuous: 3W
  • Length: 60mm
  • Width: 50mm
  • Central suppoert: 35mm
  • Cable length 50cm *

* An RCA extension cable to reach your dew controller may also be required.

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