P&R Infrared
Finder FH35R V2
Thermal Monocular

The compact Finder FH35R V2 is a highly sensitive (NETD ≤20 mK) 640×512 thermal monocular with a detection range of nearly 2000 yards. Features include a laser rangefinder with 875 yard range, 35 mmm / F0.9 objective lens, 2x–8x magnification, 1024×768 AMOLED display with picture-in-picture, onboard photo/video/audio recording, 32 GB storage, Wi-Fi connectivity, IP67 waterproof rating, and 6+ hours combined operation time with two swappable IBP-1 battery packs (included).



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The InfiRay Outdoor Finder FH35R V2 pairs an 875-yard infrared laser rangefinder with thermal detection capability up to 1,750 yards in a compact unit that fits in the palm of your hand. Detect heat signatures, identify targets, and determine their range with a single device.

InfiRay Outdoor Finder FH35R V2 thermal monocular feature callouts.

Fully Upgraded Image Quality
The 12µm 640×512 thermal sensor is upgraded to higher thermal sensitivity, reaching an NETD of under 20 mK. In combination with the enlarged F0.9 aperture, which captures a greater infrared signal, and a 35mm f/0.9 lens, the Finder FH35R V2 delivers a crisp image in challenging conditions, with ample room for digital zoom. This thermal monocular is ideal for viewing wildlife or recording photos and videos.

Integrated Laser Rangefinder
The integrated laser rangefinder quickly ranges targets (either continuously or single-firing) and shows the distance on the display. An integrated LRF is more compact and streamlined than an add-on unit and eliminates additional connection procedures.

Swappable Batteries for 6+ Hours Run Time
The Finder FH35R V2 ships with two IBP-2 batteries, easily swapped in the dark, each providing 3+ hours of run time. A proximity sensor automatically powers off the display when moved away from the viewer’s eye to reduce power consumption and the visible light signature. The charger also supports in-vehicle charging.

Rugged Body Design
The pocket-sized Finder FH35R V2 has a rugged aluminum housing with an IP67 waterproof and dust-proof rating and optimized silicone buttons that retain a soft touch in cold temperatures.

Finder FH35R V2 key features:

  • Integrated laser rangefinder can fire on command or continuously when scanning
  • Onboard photo, video, and audio recording
  • Large, ergonomic objective focus dial for precise control
  • InfiRay Outdoor IBP-2 battery pack for quick battery changes in the field
  • 1/4-20 thread socket for quick-plate or tripod mounting.
  • Included shoulder/neck strap for comfortable carry.
UPC 850048751071
Detection Range 1750 yds
Integrated Laser Rangefinder (LRF) 875 yds ±1 yd
Sensor InfiRay MICRO II
Sensor Resolution 640×512
Sensor Pixel Size 12μm
Thermal Sensitivity ≤20 mk
Spectral Response 8–12 µm
Sensor Frame Rate 50 Hz
Non-Uniformity Correction (NUC) Manual, Automatic, Semi-Automatic
Objective Lens 35mm / F0.9
Objective Lens Material Germanium
Focusing Mechanism Manual Focus
Optical Magnification 2x
Digital Zoom 4x
Magnification 2x–8x
Field of View (H×V) 12.6°×9.4°
Eye Relief 20mm
Diopter -5 to +5 D
Display Type AMOLED
Display Resolution 1024×768
Color Palettes White Hot, Black Hot, Red Hot, Iron Red, Rainbow, Outline
Picture-in-Picture Yes
Auto Display OFF Yes
Features & Performance
Onboard Photo/Video Recording Yes
Mic Yes
Storage Capacity 32 GB
Wifi Yes
Mobile App Yes
User-Updatable Firmware Yes
Connector Output Power/Data
Connector Type USB-C
Internal Power Source IBP – 2 Li-ion Battery Pack
Run Time (72° F)* 3+ hrs (6+ hrs x 2)
External Power Source USB-C
Stand-by Mode Yes
Startup Time <10 Seconds, Instant from Standby
Physical & Environmental
Operating Temperature Range -4°F to 122°F
Housing Material Aluminum
Ingress Protection IP67
Dimensions (LxWxH) 6.30×3.54×1.97 in.
Weight (w/battery pack) 14.11 oz.
Warranty 5 Years


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