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【Widely Used】: Lens warmer strip is suitable for telescopes, astrophotography lenses, viewfinder lenses, digital cameras lenses of most sizes (Diameter less than 3.15 inch/80mm).Thermos, drink cup, baby bottle or any good idea that requires insulation.
【Fast heat transfer and Good thermal insulation】: Lens heater band prevents condensation by warming up the lens on a camera or telescope, so as not to affect the effect of the equipment.Made of high-quality materials with fast heat transfer and good thermal insulation.
【3 Temperature Levels】: Lens dew remover is equipped with a 1.5m temperature regulator with low, medium and high modes. Low temperature wire design can withstand temperatures as low as -40°C, and will not freeze and break in a cold environment for a long time.
【USB power supply】: USB port design, Suitable for long-term outdoor heating of the lens.

USB Lens Warmer

JJC USB Lens Warmer, 80mm Lens Dew Heater Strip with Temperature Regulator,Condensation Prevention for Telescopes Mirrorless DSLR Camera Astrophotography Lenes Telescope Eyepieces Less Than 3.15"/80mm