AGM Sidewinder TM35-640 2-16x Thermal Monocular

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$500 (17%)
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Product Information

The Sidewinder™ is our premium handheld observational thermal monocular series. Equipped with a 640×512 12 micron infrared detector and a 1024×768 OLED display, for improved color rendering. The Sidewinder thermal sensors also come equipped with the most sensitive temperature ratings in its class, coming in at sub-20 millikelvin NETD rating across the entire product family.


Other improvements over the Taipan monoculars include a more robust body/housing and a removable, rechargeable 18650 battery. These units also boast an impressive waterproof rating, which ensures users have peace of mind while utilizing these under the vast majority of weather conditions.

The Sidewinders built-in 64 GB memory also sits at the top of its class on the market, with advanced software supporting both video recording and image capturing. The primary uses for these thermal monoculars include, but are not limited to: hunting, law enforcement, search-and-rescue, personal security, conservation, anti-poaching, camping, hiking and different marine applications.

  • 12μm, 640×512 resolution detector
  • Highest thermal sensitivity (NETD <20mK)
  • Advanced image processing (Digital Detail Enhancement, digital Noise Reduction and NLM algorithm)
  • 50 Hz image frame rate
  • 1024×768 resolution OLED display
  • Built-in memory supports video/audio recording and snapshot capturing
  • 64 GB memory module
  • Wi-Fi hotspot
  • 1×, 2×, 4× and 8× digital zoom
  • Replaceable and rechargeable Li-Ion battery
  • Up to 7 hours continuous running
  • External power supply capability
  • Waterproof
  • 5-Year warranty


  • Battery Charger
  • USB Cable
  • Power Adapter (US and EU plugs included)
  • 18650 Rechargeable Battery
  • Lens Cloth
  • Wrist Strap
  • Carrying Case
  • User Manual
  • Protective Bag

Customer Reviews

Based on 9 reviews
Nathan Elliott

Works better than I expected, I’d recommend it to everyone!

For this price, the best out there.

I own a few thermal monoculars, all purchased from Outdoor Legacy. In regards to weight, the dimensions of the thermal monocular and the battery type used, this AGM Sidewinder 640 series thermal monocular is the best of the best in the market today, guaranteed!

Lyle Gilbert
First Thermal Monocular AGM Sidewinder TM35-640

Very impressed with my AGM monocular very high quality and actually cancelled an order on a pulsar monocular with pulsar due the reviews on the sidewinder. Great service from these guys on shipping and trying to help me make my decision.
Lyle Gilbert
Houndstooth Game Calls

Greg Brown
Awesome TM

Man what service! Outdoor Legacy is the real deal! Fast shipping and very good customer service!
The AGM Sidewinder TM35-640 2-16x is simply awesome! Fantastic viewing! I couldn’t be more pleased! This monocular exceeded my expectations!

Justin Duwe
Sidewinder 35 640

Super clear picture. Very happy with it.

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