• Prevents dew, frost and condensation from forming on telescope optics and camera lenses
• 320mm heating strip designed for medium to large refractor telescopes and camera lenses
• Compatible with telescope objectives, guide scopes, finder scopes, DSLR and mirrorless camera lenses
• Powered by any standard 5V USB power source or portable power bank
• Integrated 3-level temperature controller with High, Medium and Low heating modes
• Fast and uniform heating using an alloy fiber heating element with aluminum heat distribution layer
• Wide 50mm heating band provides excellent thermal coverage without obstructing the optical path
• Premium multi-layer insulated construction improves heating efficiency while reducing heat loss
• Soft, flexible design wraps securely around optical tubes using an adjustable fastening strap
• Lightweight, portable and ideal for field astronomy and astrophotography

The SVBONY SV172 320mm Dew Heater Strip is the perfect solution for preventing dew and frost from forming on larger telescope objectives, camera lenses, guide scopes, and other optical equipment during long observing sessions.

Designed for serious visual observers and astrophotographers, the SV172 gently warms your optics to stay just above the dew point, keeping images sharp and clear even in humid or cold conditions. The integrated 3-level temperature controller allows you to easily adjust the heating intensity to suit changing weather conditions while minimizing unnecessary power consumption.

Powered by any standard 5V USB power source, the heater strip is ideal for use with portable USB power banks in the field. Its premium multi-layer insulated construction ensures rapid, even heat distribution while maintaining excellent energy efficiency.

Whether you're imaging deep-sky objects or enjoying a night of visual observing, the SV172 helps ensure your session isn't interrupted by moisture on your optics.

What's Included

• SVBONY SV172 320mm Dew Heater Strip
• Integrated USB Temperature Controller
• User Manual

Ideal For

• Refractor telescopes
• Apochromatic telescopes
• Guide scopes
• Finder scopes
• DSLR & Mirrorless camera lenses
• Smart telescopes
• Astrophotography setups
• Binocular objectives

Packaging & Shipping Information

• Supplied in original SVBONY retail packaging
• Securely packed for safe shipping across India
• Quality checked before dispatch

Note: A 5V USB power source (power bank or USB adapter) is required for operation and is sold separately.