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Thermal scopes
Thermal clip-on
Thermal imagers
Night Vision Riflescopes
Night Vision Monoculars
Night Vision Goggles
Digital NV products
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Red Dot Sights
Objective Lenses
Phenom 640 35mm Lens
Video 1
Thermal imagers
> Phenom 640 35mm Lens

Superior for hogs and predator control at medium- and long-range distances

Picture-in-picture mode with doubled magnification of the observed image
Automatic shatter based VOx thermal core 
High Definition 1280 x 980px OLED display
Precise Lens focusing mechanism
Switchable image polarity: White Hot / Black Hot / Red Hot / Colored Hot
Hot Spot Detection Mark
Built-in Stadiametric Rangefinder
Brightness adjustment
2X, 4X Digital Multiplication
Rugged, compact and lightweight

Easy to use controls

Water-resistant, dustproof and drop impact (1 yard/meter) proof body
Built-in rechargeable battery with 3-hour run time (battery consumption time may vary depending on weather conditions and product usage regime)
Quick battery recharge via computer or 5V DC adaptor
Power save and standby modes
Low-Battery Indicator
Analog Video Out
8GB capacity snapshot storage
Tripod mountable, built-in ¼” tripod socket

Customer review

So far, it seems like it has an excellent image. I didn't think any monocular had a chance to replace my Pulsar Helion XP38, but maybe this has a chance. I need to use it in different conditions and try some of the features. Focus is nice on the unit.

Korey, North Dakota, USA.


The Bering Optics PHENOM 640-35 handheld Thermal imager features premium, high sensitive Vanadium Oxide (VOx) 640x480pxl 12µm pixel pitch LWIR core with automatic shutter, HD OLED 1280x980pxl display and a 35mm Germanium Lens.

PHENOM 640-35 is capable detecting heat from generated by a vehicle at a distance of up to 2 miles away in any terrain, twilight or night time conditions. The device exceptional and unmatched performance makes it suitable for many tasks by demanding users in any field including hunting, patrolling, law enforcement, navigation, rescuing operations.

Product Modification

PHENOM 640-35

Product SKU#


Optical Magnification, x


Digital Magnification, x

4.0x, 8.0x

Objective lens system


Angular FOV at 2.0x, degree

17° x 13°

Eye relief, mm


Focus range, yds / m

2 / 0.6 to infinity

Diopter setting, dpt

-3 to +4

Core resolution, pxl

640 x 480

Pixel pitch, µm


Image refresh rate, Hz


Thermal Sensitivity (NETD), mK

< 50

Display type and resolution, pxl

OLED SXGA 1280x980 

Start-up time, max., sec.


Object type and size, approx., ft² / m²

 8  / 0.75

 25.8 / 2.4

Detection, approx., yds/m

1475 / 1350

3500 / 3200

Recognition, approx., yds/m

385 / 350

875 / 800

Dimensions, in/ mm

7.32" x 2.6" x 2.6" / 186 x 65 x 65

Weight,  approx., oz/g

14.1 / 400

Power supply standard

Li-on cell rechargeable battery

External DC Input

5V DC/2A (Micro USB)

Est. battery operation on single charge, hour

Up to 5

Operating temperature, °F/°С

-4 to +122 / -20 to +50

Water intrusion


Humidity, %

Up tо 93%

In Box


  • PHENOM 640-35 Thermal Monocular
  • Front lens protective cap
  • Soft carrying pouch
  • Rubber eyecup
  • Battery recharge cable with Mini USB port connector
  • Video cable
  • Lens cleaning cloth
  • Instruction manual 



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