Long-Range Night Vision Bi-Ocular

FLIR Discovery 5x

Model: Discovery5x GEN 2HD
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A highly ergonomic body and 5x magnifying lens make the FLIR Discovery 5x night vision bi-ocular ideal for long-term, long-range surveillance. Detachable extra long-range IR illuminator and automatic brightness control capture sharp night vision in minimal light conditions. Multigenerational intensifier tube options and available “Quick Silver” black and white night vision displays off specialization for specific applications—from perimeter security to wildlife observation.

Comfortable Long-Range Surveillance

  • Sharp Picture Over Distance

    All-glass 5x optical zoom lens and extra long-range IR illuminator allow definitive and covert surveillance.

  • Ergonomic Design

    Lightweight handheld body or tripod mounting options pair with dual eye viewing system for comfortable extended viewing sessions.

  • Built for Long Nights

    Multicoated lens, advanced electronic protection circuits, and weather resistance ensure long-term performance.

System Overview
Auto Power Off
Dimensions (L x W x H)
294 x 138 x 86 mm (11.6 x 5.4 x 3.4 in)
Focus Range
10 m to Infinity
Product Weight
1.3 kg (2.8 lbs)
Tripod Mount
2 Years
Height of the Scope Axis above Rail
Lens System
F/1.5; 108 mm
Eye Relief [mm]
17 mm
IIT Generation
Gen 2+ HD (High Definition)
Optional Accessories
Mil-Standard Hard Shipping/Storage Case #101, XLR-IR Afocal Doubler - Doubles the distance of XLR-IR850 IR beam, Tripod with a Grip
Photocathode Type
Windage_Elevation Adjustment
Included Accessories
XLR-IR850 Detachable X-Long Range Infrared, Illuminator, Packing Box, Neck Lenyard, Soft carrying Case, One Lithium Battery CR123A, Instruction Manual with Warranty Card, Lens Tissue
Connections & Communications
Remote Control
Environmental & Approvals
Operating Temperature
-51°C to +49°C (-59°F to +120°F)
Storage Temperature
-50°C to +70°C (-58°F to +158°F)
Imaging & Optical
Diopter Adjustment
±5 diopter
Field of View
55-72 lp/mm
Reticle Type
Automatic Brightness Control
Bright Light Cut_off
Exit Pupil Diameter [mm]
14 mm
Infrared Illuminator
Detachable Long Range IR
IR Indicator
Manual Gain Control
Reticle Color
Battery life
Up to 50 hours
Power Supply
CR123 Lithium 3V (1) or CR123 type rechargeable batteries with voltage 3.2V (1
Low Battery Indicator
Yes (In FOV)

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FLIR Discovery 5x - Model: Discovery5x GEN 2HD

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