Astronomical Telescope Lens Dew Heater Strap, Active Anti-Condensation Warmer Band with Intelligent Temp Control for 12V Power, Prevents Fog on Camera Lenses & Scopes in Cold Weather (930 * 50mm)

Features:* Made of polyester material, durability and functionality* When photograph outdoors in cold weather, the large temperature difference between day and night may cause dew and fog inside the telescope or lens, affecting imaging and efficiency. Use the defog belt to fog and water, which can help more stable photography*Intelligent temperature control, faster heating, more uniform heating, longer service life*Powered by 12V mobile power supply (not included), connector type DC5521*Suitable for astronomical telescopes of various calibers, camera lenses, bird-watching mirrors, guide mirrors, .Specifications:*Product Name: Astronomical Telescope Lens Dew Heater*Material: Plastic + Polyester*Size: approx.530*50mm: Suitable for 130mm diameter lens;630*50mm: Suitable for 160mm diameter lens;830*50mm: Suitable for 220mm diameter lens;930*50mm: Suitable for 225mm diameter lens;1230*50mm: Suitable for 350mm diameter lens;*Color: Black and Red*Weight: about 200g-500gPackage Content:1 x Lens Dew Heater

• [WHAT YOU RECEIVE] 1 x Telescope Lens Dew Heater strap (black/red) in selectable lengths 530, 630, 830, 930 and 1230mm with DC5521 connector, suitable for a wide range of optical barrels.
• [ANTI-CONDENSATION SOLUTION] Prevents dew and internal fog on telescope objectives, camera lenses and spotting scopes so you can focus on imaging and observing without frequent downtime.
• [ROBUST FLEXIBLE DESIGN] Polyester exterior with integrated heating element conforms to curved barrels and resists wear from outdoor use while providing even heat distribution.
• [PORTABLE OPERATION] Intelligent heating control paired with 12V mobile power via DC5521 enables portable field operation and consistent performance throughout long observing .
• [VERIFY SIZE WITH CHART] Always check the SIZE CHART before buying to the heater matches your lens or scope diameter for optimal anti-condensation results.