NEEWER USB Lens Heater, 12"/300mm Lens Warmer for DSLR Camera and Telescope, 3 Temperature Regulator Settings, Dew Heater Strip Prevents Dew, Fog & Condensation for Telescope Camera Astrophotography

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Purchase options and add-ons

  • 【Effective 12"/300mm 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 10.8"/275mm and a diameter of 86mm
  • 【USB Power Source】 Plug into a USB power adapter, a portable charger, or other power sources that offer a USB 5V 2A output. The 4.9ft/1.5m long USB cable makes the heater ideal for indoor and outdoor use
  • 【3 Temperature Levels】 A temperature regulator offers 3 settings (High Mode: 55-65°C; Middle Mode: 45-55°C; Low Mode: 35-45°C) to suit different weather environments
  • 【Touch Fastener Design】 With handy touch fasteners, the heater can wrap around your lens or scope with security and is easy to adjust
  • 【For Other Applications】 As a multipurpose heater with a whole length of 16"/400mm (including the fastener part), it can also keep your baby bottle and coffee cup warm in winter days

Product details

  • Product Dimensions ‏ : ‎ 17.4 x 10.9 x 6.1 cm; 100.07 g
  • Date First Available ‏ : ‎ Oct. 18 2022
  • Manufacturer ‏ : ‎ NEEWER
  • ASIN ‏ : ‎ B0BHNNG5FF
  • Item model number ‏ : ‎ 33000016
  • Country of origin ‏ : ‎ China
  • Customer Reviews:

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Product Description

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Temperature Control

The regulator features 3 temperature levels and an on/off button allowing you to control it quickly and easily.

Touch Fasteners

Installed by hook and loop touch fasteners, the lens warmer can attach to your equipment quickly and securely.

Wide Compatibility

Recommended for lenses/telescopes up to 10.8"/275mm circumference and 86mm diameter.

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Customer reviews

4.4 out of 5 stars
4.4 out of 5
257 global ratings
Melted and probably smoked
5 out of 5 stars
Melted and probably smoked
Update: Vendor read my review and offered me a full refund. I was just a few days outside of Amazon's return window. They assured me that it is an anomaly and should not have happened. I changed my star rating to 5 out of 5 because of service, especially when I didn't even contact vendor directly. The one in the picture is the 12" version. 16" one, I'm still using for my main scope.After using 5 or 6 times, it melted. Only found out after the fact. Was about -3 outside. My guide camera was reading 0c and then hit 4c later on. Thought it was generating heat on its own, so I shrugged it off. Wrong! Went outside, smelled foul burning smell. These dew heaters should have a fuse to prevent thermal runaway. Guide scope had residue and stank for a day even after cleaning it. Luckily, I don't notice any damage to my guide scope.
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Top reviews from Canada

Adam
5.0 out of 5 stars Quality
Reviewed in Canada on May 16, 2024
Size: 300mmVerified Purchase
I have had other lens warmers and the quality was not there. This one is solid, good quality product.
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Jim
5.0 out of 5 stars Melted and probably smoked
Reviewed in Canada on December 2, 2023
Size: 400mmVerified Purchase
Update: Vendor read my review and offered me a full refund. I was just a few days outside of Amazon's return window. They assured me that it is an anomaly and should not have happened. I changed my star rating to 5 out of 5 because of service, especially when I didn't even contact vendor directly. The one in the picture is the 12" version. 16" one, I'm still using for my main scope.

After using 5 or 6 times, it melted. Only found out after the fact. Was about -3 outside. My guide camera was reading 0c and then hit 4c later on. Thought it was generating heat on its own, so I shrugged it off. Wrong! Went outside, smelled foul burning smell. These dew heaters should have a fuse to prevent thermal runaway. Guide scope had residue and stank for a day even after cleaning it. Luckily, I don't notice any damage to my guide scope.
Customer image
Jim
5.0 out of 5 stars Melted and probably smoked
Reviewed in Canada on December 2, 2023
Update: Vendor read my review and offered me a full refund. I was just a few days outside of Amazon's return window. They assured me that it is an anomaly and should not have happened. I changed my star rating to 5 out of 5 because of service, especially when I didn't even contact vendor directly. The one in the picture is the 12" version. 16" one, I'm still using for my main scope.

After using 5 or 6 times, it melted. Only found out after the fact. Was about -3 outside. My guide camera was reading 0c and then hit 4c later on. Thought it was generating heat on its own, so I shrugged it off. Wrong! Went outside, smelled foul burning smell. These dew heaters should have a fuse to prevent thermal runaway. Guide scope had residue and stank for a day even after cleaning it. Luckily, I don't notice any damage to my guide scope.
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Jacques Frechette
5.0 out of 5 stars fais ce qu il doit faire!
Reviewed in Canada on October 24, 2023
Size: 300mmVerified Purchase
tres efficace!
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Masada Andrew B. Villa
5.0 out of 5 stars Good quality
Reviewed in Canada on September 21, 2023
Size: 300mmVerified Purchase
Good quality product. Item works well. Keeps dew away.
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Massimo Marotta
2.0 out of 5 stars Not warm enough...!
Reviewed in Canada on November 21, 2023
Size: 300mmVerified Purchase
I was not.impressed with Neewer dew sleeve. Enough it has 3 settingnof heat I found the hottest setting was equivalent to the LOSHARP dew heater sleeve. Not only did the single setting was equivalent to NEWEER hottest setting the braided cable is more sturdy with better material. Less chance of the switch mechanism breaking, better extreme cable and warmer. I would recommend this product as a backup dew sleeve heater
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Top reviews from other countries

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GMooney
5.0 out of 5 stars gets hot!
Reviewed in the United States on March 6, 2024
Size: 300mmVerified Purchase
Works well in heating lens, Heated my hands also...
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Sean d
5.0 out of 5 stars Looks well built
Reviewed in the United Kingdom on April 10, 2024
Size: 400mmVerified Purchase
It looks well built, comes with a carry pouch, and the cable is long enough. I was worried that the cable would be too short, but it is just about long enough to have it plugged in to a power pack with the camera on the tripod - if I go maximum height though, I will have to raise the power pack somehow.
It does the job very well.
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Robert Albrecht
5.0 out of 5 stars Macht was sie soll
Reviewed in Germany on March 15, 2024
Size: 300mmVerified Purchase
Das Teil kam gut verpackt hier an. Ein erster Test ergab: sie funktioniert und wärmt. Mehr wird die Zeit zeigen. Ggf ergänze ich diese Rezension noch einmal, wenn ich die Objektivheizung in einer Aprilnacht getestet habe.
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Cliente Amazon
4.0 out of 5 stars calienta bien
Reviewed in Spain on March 11, 2024
Size: 500mmVerified Purchase
hace su trabajo, mantiene el telescopio desempañado.
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mSw
5.0 out of 5 stars Cheap but does the job. Dew heater for 80mm telescope.
Reviewed in the United Kingdom on September 25, 2023
Size: 300mmVerified Purchase
If you are after a dew heater for your telescope and want to keep cost down this was the cheapest I found. I am just experimenting taking photos. But so far it has worked well. If it fails I will update.
One person found this helpful
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