InfiRay Finder FL35R product image

InfiRay Finder FL35R

The FINDER FL35R is a thermal monocular made by InfiRay and is part of the Finder II series.

Description

The Finder FL35R features a crisp 35mm f/1 objective lens focusing the available thermal radiation. The field of view on this thermal monocular is 7.5 by 5.7 degrees. It features a 4 times digital zoom to enlarge your subject.

Behind the lens of the Finder FL35R you can find the (uncooled, 12 micrometer) 384 x 288 pixels thermal core refreshing the image at 50Hz. The thermal contrast (NETD) of this thermal monocular is <40mK.

The physical dimensions of this thermal monocular read 160 x 90 x 50mm (lwh) weighing in at 400 grams. This device is rated IP67. It handles dust, shocks and water (splashes). It's rated for operating in temperatures between -20°C and 40°C.

The Finder FL35R is built to be used in scanning and surveillance, hunting adventures and police operations.

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Specifications

Lens35 mm
F-ratio1.0
Optical zoom2 x
Digital zoom4 x
FOV (h/v)7.5 ° / 5.7 °
Thermal typeUncooled
Sensor resolution (h/v)384 pixels / 288 pixels
Pixel pitch12 µm
Sensitivity40 mK
Display resolution (h/v)1024 pixels / 768 pixels
Refresh rate50 Hz
Image polarityWhite hot, black hot, red hot, rainbow
Output screen colorFull color
Dimensions (l/w/h)160 mm / 90 mm / 50 mm
Weight400 g
TypeLi-ion battery pack
Number of batteries1
Battery life6 hours
Replaceable
Surveillance
Hunting
Law enforcement
Search & rescue
Military
Fire fighting
Thermography
Dustproof
Shockproof
Waterproof
Submersible
Operating temperature-20 °C / 40 °C
Environmental ratingIP67

DRI Ranges

DRI stands for Detection, Recognition and Identification and is based on the widely used Johnson's criteria.

  • Detection Detect if an object is present
  • Recognition See what type of object it is (i.e. person, vehicle, airplane)
  • Identification For example see if someone is a friend or foe
Detection Recognition Identification
Rabbit 525 meters 131 meters 65 meters
Person 1847 meters 461 meters 230 meters
Vehicle 4472 meters 1118 meters 559 meters

Please note that these values are calculated, always consult the manufacturer for official range numbers.

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