Immerse yourself in the unparalleled situational awareness provided by the PVS-31C-MOD, crafted with utmost expertise by GSCI Advanced Photonics.



This formidable dual-tube goggle system embodies a sleek and ergonomic low-profile design, fortified with cutting-edge technological advancements honed over 30 years of GSCI’s engineering prowess. Engineered to withstand the harshest environments, its lightweight yet rugged housing, coupled with advanced multi-coated optics, ensures uncompromising image quality while enduring weights comparable to a pick-up truck and drops from two meters.



Distinguishing itself with an array of exceptional operational features, such as instantaneous IR [Morse Code Capability], standard IR [Map Reading/Zero Light Capability], an external battery power port, flip-up off capability, selective channel engagement, and stow safety mechanism, this goggle system delivers unparalleled performance and unwavering reliability.



General Specifications:

Lens System: 27mm, f/1.2

Diopter Adjustment Range: -6 .. +2

Proprietary GSCI-VIVID Premium Optics: No

Optical Magnification: 1X

Field Of View (FOV): 40°

Interpupillary Adjustment Range: 50mm .. 90mm

IR Illuminator: Yes: Built-In

Istant IR-ON Button: Yes

Bright Light Sensor: Yes: Built-In

IR LED Indicator: Yes

Bright Light LED Indicator: Yes

Low Battery LED Indicator: Yes

Stow Safety Feature: Yes

Selective Channel Engagement Feature: Yes

Flip-Up-Off Feature: Yes

External Power Port: Yes

Power Source: 1x AA, 1x CR123 or MVP-240

Battery Life (AA / CR123): 40 Hours

Battery Life on MVP-240: 240 Hours

Environmental Protection: Waterproof

Operating Temperature: -40°C .. +50°C

Dimensions: 108 x 105 x 70mm

Weight: 465 grams **

Warranty: 7 Years, Limited




Available tubes for this model from Photonis:


Phosphor available in: black and white or green.


Available tubes for this model:

GEN 2+GEN 3 GA2, GEN 3 GA3, GEN 3 GA4, GEN 3 GA5

Phosphor available in: black and white or green.



White Phosphor

The latest technological achievements providing the greatest clarity of image when operating in urban, desert or forested environments. For these applications, the night vision user should turn to a white phosphor tube. Studies have shown that night-time scenes appear remarkably more natural in black and white versus the usual green. White phosphor also provides much clearer information about the contrast, shapes and shadows within an environment. 

Main Benefits: 

  • Greater image clarity
  • Scenes appear more natural
  • Clearer information regarding contrast, shapes, shadows
  • Perfect for urban, desert or forested environments


Green Phosphor

The industry standard for more than 40 years, green phosphor is the perfect choice for operators that complete missions in the jungle or deep dark areas of the world. The enhanced contrast and depth required for operating in these densely packed environments are ideally suited to the green phosphor coating. The higher gains and stronger contrasts of the green phosphor enable the clarity of the image required for those operating without the advantage of ambient light sources to enhance the image. 

Main Benefits: 

  • Enhanced contrast and depth
  • Higher gain and contrast provide better clarity
  • Perfect for jungle or deep dark environments


*PAY ATTENTION! This product requires an export license outside the Benelux. We take care of this with the Customs in the Netherlands. The customer only needs to sign an End-Use Statement for the application.*


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