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NEEWER USB Lens Heater, 20'/500mm Lens Warmer with FPC Fast Even Heating Tech for DSLR Camera Lens Telescope Astrophotography, 3 Temperature Levels, Prevents Overvoltage/Dew/Fog/Condensation, HW-30

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$20.09

$ 8 .99 $8.99

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About this item

  • 【Enhanced Heating with FPC Technology】 Designed with FPC (flexible printed circuits), this lightweight yet durable lens heater uses polyimide films as the insulator for reliable dielectric performance, and thermofoil as the heating element for improved thermal conductivity and higher heat transfer efficiency to quickly and evenly warm up your lens. Note: The lens heater is bendable but cannot be folded
  • 【Effective 20"/500mm Heater Length】 Eliminate dew, fog, and condensation with our specially crafted lens warmer during cold weather photography. For optimal performance and even heating, it is recommended to use on lenses or telescopes with a circumference of up to 20"/500mm and a diameter of 160mm
  • 【Safe 5V 2A USB Power Supply】 Through the 6ft/1.8m USB cable, the lens heater can receive power from any USB power source with a 5V 2A output and feature overheating/overvoltage protection for safe use. A regulator offers 3 temperature levels (High: 125.6°F/52°C; Mid: 113°F/45°C; Low: 98.6°F/37°C) for different environments
  • 【Touch Fastener Attachment】 Thanks to the flexibility and thinness of the FPC, the heater can easily wrap around your lens via the touch fastener. Note: The heating area length is 20"/500mm, and the total length is 26"/650mm including the touch fastener
  • 【A Multifunctional Heating Tool】 As a multipurpose heater with a whole length of 26"/650mm (including the fastener part), it can also keep your coffee mug warm in winter (use with care). Can also be used on telescopes, scopes, etc



Product Description

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Ricky Xu
Reviewed in Canada on August 5, 2024
Used product sold as new
E3K
Reviewed in the United States on August 10, 2024
First package arrived clearly open and returned. It did not work. Replacement item works fine. But now I have a 45 minute errand to run to mail back the first item. I don't appreciate that.
JJ
Reviewed in Japan on March 27, 2024
冬の夜に使用しますが、鏡筒がほとんど暖かくなりません。
Cane
Reviewed in the United States on November 19, 2023
The Amazon product description shows that the heater is meant to have 3 modes. Low for 37c, medium for 45c and high for 52c. After half an hour on the high setting, the strip barely maintains 37c, which is the advertised temperature for the low setting. On medium and low it's hardly warm to the touch at around 30-33c. I have the device plugged into a known good 5v 3a power supply and these are the results.On top of this, the cable length is advertised as 9 feet, whereas the device itself is only just over 6 feet, and the cable only makes up around 5ft of that, including the controls.For its application, I imagine it might do ok to keep condensation off in cold weather, however it does not reach the advertised temperatures, and if those are necessary, this device is useless.
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