Astronomical Telescope Lens Dew Heater,Active Warmer Strap For Intelligent Temperature Control,Anti-Condensation Band For Camera Lenses And Bird-Watching Scopes In Cold Weather Photography(1230*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

• [COMPLETE PACKAGE] Package contains 1 x Telescope Lens Dew Heater strap in black and red with DC5521 connector, available in lengths 530mm, 630mm, 830mm, 930mm and 1230mm to suit a variety of diameters.
• [RELIABLE ANTI-CONDENSATION] Polyester outer and internal heating element prevent dew and internal fogging on telescope optics and camera lenses, helping you capture more consistent night and cold-weather images.
• [SMART UNIFORM HEATING] Intelligent temperature control provides faster, more even heating for ACROSS the strap to avoid cold spots and reduce image distortion during long exposures.
• [PORTABLE POWER & COMPATIBILITY] Designed for 12V mobile power sources (power supply sold separately) with a DC5521 ; fits telescopes, camera lenses, spotting scopes and guide scopes for field or backyard use.
• [SIZE CHART REMINDER] Please check your SIZE CHART to match the heater length to your lens or telescope diameter before ordering to the anti-condensation fit.