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11" Dew Heater Ring

Prices as of September 25, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Macy's price tracker

14-day low
$94.15
Sep 12 · Macy's
Best price
$94.15
−0% vs high
14-day high
$94.15
All stores
$94$94$94
Sep 12Sep 25
  • Macy's
Lowest in 14 days: $94.15 at Macy's. Highest: $94.15. Current best is 0% below the 14-day high.

About this product

The Celestron 11" Dew Heater Ring is a precision-engineered accessory designed to prevent dew formation on the Schmidt corrector lens of 11" Celestron Schmidt-Cassegrain telescopes, including EdgeHD and RASA models manufactured from 2006 onward. This aluminum ring replaces the standard plastic retaining ring, providing direct and efficient heating across the entire lens surface. Its durable construction ensures long-term reliability during extended stargazing or astrophotography sessions. The ring integrates with Celestron Smart DewHeater Controllers via an embedded thermistor for real-time temperature monitoring. It features a permanent mount for consistent use and includes cable management clips for organization. Easy to maintain with a wipe-clean surface.

  • For 11" Celestron telescopes
  • Aluminum construction
  • Direct lens heating
  • Integrated thermistor
  • Permanent mount
  • Cable management included

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11" Dew Heater Ring — Price Tracker & History