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ATN PS40-2I - Day Night Weapon Sight NVDNPS402I


Generation 2+ - Daytime Scope to Night Vision

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Representing the latest advancement in Night Vision Optics, the ATN PS40-2I gives your daytime scope Night Vision capability in a matter of seconds.

The ATN PS40-2I mounts in front of a daytime scope to enable nighttime operation. No shift of impact, no need to rezero nor change of eye relief occurs. The ATN PS40-2I uses the latest in image intensifier tube technology for outstanding resolution and performance.

Precision optical alignment is essential for a front sight system to work properly. This is why each ATN PS40-2I is individually tested and aligned on an optical scale by our engineers to provide perfect alignment.
The ATN PS40-2I is one of the most compact and lightweight NV systems in its class, at only 840 grams.

ATN PS40-2I Features:

ATN PS40-2I Spec SheetATN PS40-2I Spec Sheet

ATN PS40-2I User GuideATN PS40-2I User Guide

  • Easily changes daytime scope to Night Vision
  • Mounts in front of daytime scope, no re-zeroing required
  • Multi-coated all-glass optics
  • Fast catadioptic front lens system
  • Large 40 mm eyepiece/output window
  • Lightweight and rugged
  • Comes with Quick Release Mount
  • Optional 7/8" weaver mount
  • Optional Scope Mounting System attaches the PS40 unit to the objective of the day scope (47-50; 56-58.7 mm diameter)
  • Automatic brightness control
  • Limited Two-Year Warranty

ATN PS40-2I Specs:

  • Total Darkness IR System Yes
  • "SMART" Technology No
  • IIT Generation 2+
  • Photocathode type Multi-Alkali
  • Resolution 40-45 lp/mm
  • Figure of merit <900
  • Magnification 1x
  • Lens System F1:1.44, 80mm
  • Proshield Lens Coating Yes
  • FOV 12°
  • Exit Pupil 40 mm
  • Range of Focus 10 m to infinity
  • Diopter Adjustment No
  • Automatic Brightness Control Yes
  • Bright Light Cut-off Yes
  • Infrared Illuminator Detachable IR450 (optional)
  • IR Indicator Yes
  • Low Battery Indicator Yes
  • Power Supply 1 x 1.5V AA type battery or 1 x 3V CR123A type battery
  • Battery Life 60 hours ( 3 V ) 30 hours (1. 5 V )
  • Reticle System No
  • Windage & Elewation Adjustment No
  • Environmental Rating Waterproof
  • MIL-STD-810 Yes
  • Operating Temperature -20 to +50°C
  • Storage Temperature -50 to +50°C
  • Dimensions 177 x 85 x 83 mm 7.0" x 3.4" x 3.3"
  • Weight 0.84 kg / 1.85 lbs
  • Warranty 2 years


  • IIT Generation:Generation 2+
  • Total Darkness IR System:NO
  • Field of View:12 Degrees
  • Exit Pupil:40
  • Dimensions:177 x 85 x 83 mm / 6,9" x 3.3" x 3.2"
  • Weight:0.84 kg / 1.85 lb
  • Item ConditionNew
  • UPC658175905141

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