Armasight Helios 336 3-12x42 (30 Hz) Thermal Imaging Bi-Ocular, FLIR Tau 2 - 336x256 (17�m) 30Hz Core, 42mm Lens

by Armasight
Out of Stock

Plus, Free Shipping & 5% Rewards back for only $19.95/yr Learn More

Free Shipping on All Orders
Never Pay Extra
5% Rewards Back
Earn on Every Purchase
Rewards for Writing Reviews
Up to $20 for Each Product
Free, No-Hassle Returns
On Select Clothing, Shoes & Jewelry
5% Dining Rewards
Get Paid to go out Tonight
$1.99 Stock Trades
Powered by Muriel Siebert & Co., Inc.
Add Club O Gold for $19.95/yr
Club O is FREE for Military, Teachers, Students, and First Responders
ITEM# 20650031
    Notify me when it is back in stock!

    Enter your email address, we will notify you if it comes back in stock.

Love this item?

Save it to a list so you can find it anytime!


something went wrong.

Please refresh the page and try again.


ITEM#: 20650031

The Armasight Helios line is the latest and most technologically advanced family of thermal imaging bi-oculars on the market today. Bi-ocular design is ideal for sustained viewing periods and improved depth perception. Thermal imaging technology also allows you to detect targets by cutting through snow, dust, smoke, fog, haze, and other atmospheric obscurants. 

  • The lightest and most compact scope in its class
  • Easy and Intuitive Drop-down user interface
  • Digital E-Zoom: 1x, 2x and 4x
  • Color Modes: White Hot/ Black Hot/ Rainbow/ Various Color modes
  • Extended operation time with optional external battery power supply
  • Recording: video output /optional Video Recorder with onboard replay
  • Water and fog resistant
  • CNC machined aircraft-aluminum alloy construction
  • Rapid start-up
  • USA-based company

  • Magnification 3x - 12x
  • Lens System 42mm; F/1.0
  • Objective Lens Type Germanium
  • Type of Focal Plane Array FLIR Tau 2
  • Pixel Array Format 336x256
  • Pixel Size 17 .m
  • Color White Hot/ Black Hot/ Rainbow/ Various Color mode
  • Exit Pupil Diameter 10 mm
  • Eye Relief 45 mm
  • Objective Focal Length 42mm
  • Range of Focus 5 to infinity
  • Controls Direct
  • Power Supply 2x CR123A (3V)
  • Environmental Rating Water and Fog-Resistant
  • Operating Temperature -40 to +50.C (-40 to +122.F)
  • Battery Life at 20 .C (68 .F) 3 Hrs
  • Storage Temperature -50 to +70.C (-58 to +158.F)
  • Dimensions (mm/in) 238.100.62 /
  • Weight (kg/lbs) 0.8 / 1.8
  • Warranty 3 Years

  • Material: Aluminum, Glass, Plastic
  • Color: Black


Material Aluminum, Glass, Plastic
Color Black
Dimensions 9.4 x 3.9 x 2.4
Warranty 3 year Limited Manufacturer
Model Number TAT173BN4HELI31
Country of Origin United States

Questions & Answers

Yay! Be the first to ask a question about this product.

Shipping & Returns

Contact Information
Shipping Information:

Our standard shipping method is ground shipping. We also offer expedited shipping for most items. Your final shipping cost and estimated delivery timeframe will be available at checkout.
Standard shipping details
Expedited shipping details

Standard Return Policy:

Items must be returned in new or unused condition and contain all original materials included with the shipment. For the return policy on a Marketplace item, please refer to the Seller’s individual policy, located on the product page by clicking on the Seller name. More Details

FINAL SALE EXCLUSION: Items marked as FINAL SALE are not returnable unless the problem you experience is the result of our error.

For your protection, all orders are screened for security purposes. If your order is selected for review, our Loss Prevention Team may contact you by phone or email. There may be a two business day delay to process your order.

** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.