Extra Big for 7-8'' telescopes

  • Price: $65.00



Extra Big Dew Heater for 7-8’’ Telescopes - Enhanced Power and Performance by R-Sky


In areas with high humidity, there may be nights when the standard combo of Dew Heater and Dew Shield is powerless, and dew falls on the corrector or meniscus of the telescope. If this is your case, we recommend the Extra Big Dew Heater.


Extra Big Dew Heater - more power and better results for exceptional cases!


This high-quality dew heater is specifically designed to combat dew and condensation. It is suitable for all types of Schmidt-Cassegrain, Maksutov-Cassegrain catadioptric telescopes, and Rowe-Ackermann Schmidt Astrograph (RASA).


Popular telescopes with an aperture of 8 inches for which this dew heater will work:

1. Celestron NexStar 8SE

2. Meade LX90 8” ACF

3. Orion 180mm Maksutov-Cassegrain

4. Celestron NexStar Evolution 8

5. Meade LX200 8” ACF

6. Celestron CPC 800

7. Sky-Watcher 180mm Maksutov-Cassegrain

8. Celestron 8” Rowe-Ackermann Schmidt Astrograph (RASA 8)


This dew heater is also suitable for other telescopes of similar size.


Main Features and Advantages:

Large Power and Heating Area: Guaranteed results in the most difficult conditions.

Hand-Assembled Quality: All R-Sky heaters are meticulously assembled by hand, ensuring superior quality control at every stage.

Efficient Heat Distribution: Special manufacturing technology directs maximum heat to the optics, minimizing environmental heat loss.

Even Surface Heating: Unlike other heating technologies, R-Sky heaters provide consistent and even heating across the entire surface.

Durable and Flexible Power Cord: The power cord remains soft and flexible even in sub-zero temperatures. Each cord is hand-assembled to our strict standards, outperforming typical Chinese audio cords used by competitors.

Tangle-Free Design: Avoid the frustration of tangled wires, especially during night observations, with our specially designed, tangle-free cords.

Standard Power Cord Length: 47 inches / 120 cm

Power Connector: RCA (male).

Power Supply: 12 V.


Optimal Performance with Controllers:

For best results, pair this heater with one of our controllers. This allows for fine-tuning of the heating power, preventing overheating of the optics and conserving battery life.


Choose a product that sets the standard for excellence and reliability. The Extra Big Dew Heater for 7-8’’ telescopes by R-Sky ensures your equipment remains in optimal condition, providing you with an exceptional stargazing and astrophotography experience. Don’t let dew and condensation spoil your night—invest in the Extra Big Dew Heater for 7-8’’ telescopes for reliable and effective protection.

Dew Heater
line supply 12 Volt, DC
Amperage 2.11 A
Power 24.5 W
Power connector RCA
Power Cord Length Power Cord Length: 47 inches / 120 cm