--- product_id: 184540333 title: "USB Lens Warmer, Lens Dew Heater Strip with Temperature Regulator, Condensation Prevention for Telescopes Camera DSLR Lens Telescope Eyepieces Less Than 3.15 inch (80mm) in Diameter" brand: "kiwifotos" price: "VT8164" currency: VUV in_stock: true reviews_count: 13 category: "Kiwifotos" url: https://www.desertcart.vu/products/184540333-usb-lens-warmer-lens-dew-heater-strip-with-temperature-regulator store_origin: VU region: Vanuatu --- # USB powered for on-the-go use Operates down to -40°C without damage 3-level adjustable temp control USB Lens Warmer, Lens Dew Heater Strip with Temperature Regulator, Condensation Prevention for Telescopes Camera DSLR Lens Telescope Eyepieces Less Than 3.15 inch (80mm) in Diameter **Brand:** kiwifotos **Price:** VT8164 **Availability:** ✅ In Stock ## Summary > 🔥 Keep your lens fog-free and your shots flawless, no matter how cold it gets! ## Quick Answers - **What is this?** USB Lens Warmer, Lens Dew Heater Strip with Temperature Regulator, Condensation Prevention for Telescopes Camera DSLR Lens Telescope Eyepieces Less Than 3.15 inch (80mm) in Diameter by kiwifotos - **How much does it cost?** VT8164 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/184540333-usb-lens-warmer-lens-dew-heater-strip-with-temperature-regulator) ## Best For - kiwifotos enthusiasts ## Why This Product - Trusted kiwifotos brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Portable USB Power:** Plug into any USB power bank or device for uninterrupted outdoor use all night long. - • **Effortless Installation:** Adjustable, flexible strip wraps snugly around your lens for quick setup and removal. - • **Universal Compatibility:** Fits lenses and eyepieces under 80mm diameter—perfect for DSLR, telescopes, and more. - • **Precision Temperature Control:** Customize your lens warmth with low, medium, and high settings to beat the cold. - • **Rapid Heat Transfer & Insulation:** High-quality materials ensure fast warming and prevent condensation for crystal-clear views. ## Overview The USB Lens Warmer is a compact, adjustable dew heater strip designed for lenses and eyepieces under 80mm diameter. Featuring a 3-level temperature regulator and USB power compatibility, it prevents condensation and fogging even in extreme cold down to -40°C. Lightweight and easy to install, it’s an essential accessory for photographers and astronomers seeking clear, uninterrupted views in chilly conditions. ## Description Product description USB Port Design,Suitable for long-term outdoor heating of the lens. You can connect it to a power bank or any other power source with a USB port. Adjustable Temperature ***NOTE:Due to the adjustment of the controller's appearance, but the function has not changed, the inventory of the new and old versions may be mixed together, so the new and old versions will be shipped randomly.*** Suitable for telescopes, viewfinder lenses, digital cameras of most sizes (Diameter less than 80mm). Thermos, drink cup, baby bottle or any good idea that requires insulation. Review: Does the job. - After a fogging incident on my 14mm the other night, I thought I would give a lens warmer a try. It worked well. For less then $20, problems solved. Used my BLUETTI EB 55 as power supply, but a smaller 10,000 amp power supply would have worked fine. Review: Decent item for Astro photography at a cheap price - Did the job as described ## Features - 【Widely Used】: ***NOTE:Due to the adjustment of the controller's appearance, but the function has not changed, the inventory of the new and old versions may be mixed together, so the new and old versions will be shipped randomly.*** suitable for telescopes, viewfinder lenses, digital cameras of most sizes (Diameter less than 80mm). Thermos, drink cup, baby bottle or any good idea that requires insulation. - 【Adjustable Temperature】: The product 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. You can connect it to a power bank or any other power source with a USB port. - 【Fast heat transfer and Good thermal insulation】: Our lens heater prevent the lens from fogging by heating the camera lens 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. - 【Quick installation and Removal】: Can be adjusted according to the size of the lens, suitable for lenses with an outer diameter of less than 80mm(3.15 inch). ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B083NJCFCH | | Additional Features | Adjustable Temperature Regulator with Low, Medium, and High Modes | | Best Sellers Rank | #1,247 in Digital Camera Accessories | | Brand | KIWIFOTOS | | Coating | Fully Coated | | Compatible Devices | Laptop, Power Bank, [Other devices with USB port] | | Customer Reviews | 4.5 out of 5 stars 440 Reviews | | Eye Piece Lens Description | Plossl | | Finderscope | Reflex | | Focal Length Description | 3.15 inches | | Focus Type | Manual Focus | | Item Dimensions D x W x H | 1.38"D x 5.24"W x 1.38"H | | Item Weight | 59 Grams | | Manufacturer | Jinjiacheng Photography Equipment Co.,Ltd. | | Manufacturer Part Number | DHS-1 | | Model Number | DHS-1 | | Mount | Altazimuth Mount | | Objective Lens Diameter | 80 Millimeters | | Optical Tube Length | 3.15 Inches | | Optical-Tube Length | 3.15 Inches | | Power Source | USB Powered | | Product Dimensions | 1.38"D x 5.24"W x 1.38"H | | Telescope Mount Description | Altazimuth Mount | ## Product Details - **Brand:** KIWIFOTOS - **Eye Piece Lens Description:** Plossl - **Finderscope:** Reflex - **Focus Type:** Manual Focus - **Item Weight:** 59 Grams - **Objective Lens Diameter:** 80 Millimeters - **Optical Tube Length:** 3.15 Inches - **Power Source:** USB Powered - **Product Dimensions:** 1.38"D x 5.24"W x 1.38"H - **Telescope Mount Description:** Altazimuth Mount ## Images ![USB Lens Warmer, Lens Dew Heater Strip with Temperature Regulator, Condensation Prevention for Telescopes Camera DSLR Lens Telescope Eyepieces Less Than 3.15 inch (80mm) in Diameter - Image 1](https://m.media-amazon.com/images/I/71RRFiMz9BS.jpg) ![USB Lens Warmer, Lens Dew Heater Strip with Temperature Regulator, Condensation Prevention for Telescopes Camera DSLR Lens Telescope Eyepieces Less Than 3.15 inch (80mm) in Diameter - Image 2](https://m.media-amazon.com/images/I/71F6p+hIAVL.jpg) ![USB Lens Warmer, Lens Dew Heater Strip with Temperature Regulator, Condensation Prevention for Telescopes Camera DSLR Lens Telescope Eyepieces Less Than 3.15 inch (80mm) in Diameter - Image 3](https://m.media-amazon.com/images/I/71A4nhvtYgL.jpg) ![USB Lens Warmer, Lens Dew Heater Strip with Temperature Regulator, Condensation Prevention for Telescopes Camera DSLR Lens Telescope Eyepieces Less Than 3.15 inch (80mm) in Diameter - Image 4](https://m.media-amazon.com/images/I/61-ooHO-ihS.jpg) ![USB Lens Warmer, Lens Dew Heater Strip with Temperature Regulator, Condensation Prevention for Telescopes Camera DSLR Lens Telescope Eyepieces Less Than 3.15 inch (80mm) in Diameter - Image 5](https://m.media-amazon.com/images/I/71Dxowv9sES.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Does this device have to use the timer? Can it stay on and off without using the timer? Is the the timer just an additional feature?** A: You do not need to use a timer with this device. Additionally, it has three heat settings: low, medium, and high. **Q: What's the wattage for each setting hi/med/lo ?** A: Not sure wattage. I used in sub freezing (20*F) weather on lowest setting and had no fogging/dew on Nikkor Z20mm 1.8, Nikkor Z70-200 2.8, and a Tokina 14-28 2.8. Works well, surprisingly low cost. (I use a cheaply rechargeable battery bank) **Q: Recommended power bank that is known to work with this dew heater?** A: Any that are 2.1 to 2.5 amps **Q: Does this unit automatically turn off? i need a lens warmer that will last 4-5 days without turning off.** A: Only if your battery runs out. No thermostat… just constant heat settings ## Customer Reviews ### ⭐⭐⭐⭐⭐ Does the job. *by L***S on August 18, 2025* After a fogging incident on my 14mm the other night, I thought I would give a lens warmer a try. It worked well. For less then $20, problems solved. Used my BLUETTI EB 55 as power supply, but a smaller 10,000 amp power supply would have worked fine. ### ⭐⭐⭐⭐⭐ Decent item for Astro photography at a cheap price *by N***S on April 27, 2026* Did the job as described ### ⭐⭐⭐⭐⭐ Well worth the price *by K***E on April 21, 2026* This is just what I needed for my astrophotography where the camera is out all night in changing temps I would have to go out every thirty min to wipe off the lense and spray anti-fog now with this its is a dream come true I can leave my camera outside the entier night with this plugged into a power bank and not worry that the lens will get fogged up it never does ## Frequently Bought Together - USB Lens Warmer, Lens Dew Heater Strip with Temperature Regulator, Condensation Prevention for Telescopes Camera DSLR Lens Telescope Eyepieces Less Than 3.15 inch (80mm) in Diameter - JJC Intervalometer Timer Remote Control Shutter Release for Canon EOS Rebel T6 T7 2000D 90D 80D 70D 77D T8i T7i T6i T6s SL3 SL2 T5i T4i EOS R R50V R6 Mark II R6 R7 R8 R10 RP R100 M6 Mark II M5 & More - Sky-Watcher Star Adventurer 2i Pro Pack – Motorized DSLR Night Sky Tracker Equatorial Mount for Portable Nightscapes, Time-Lapse and Panoramas – Wi-Fi App Camera Control – Long Exposure (S20512) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vu/products/184540333-usb-lens-warmer-lens-dew-heater-strip-with-temperature-regulator](https://www.desertcart.vu/products/184540333-usb-lens-warmer-lens-dew-heater-strip-with-temperature-regulator) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-06-02*