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Congratulations on your purchase of a Burris
Thermal Hand Held Sight. Review this manual
thoroughly before using and keep it available
for future reference. This guide explains the
operation of the BTH 25, BTH 35 and BTH 50
models.
CAUTIONS
1. Do not directly expose the thermal imager to high
intensity light sources such as the sun, carbon
dioxide lasers and electric welding machines.
2. The thermal imager combines precision optical
instruments and electrostatically sensitive
electronics, any abuse of the thermal imager and
its accessories can compromise performance and
longevity and may void the warranty.
THERMAL SIGHT
FEATURES
MODEL
TECHNICAL SPECIFICATIONS
BURRIS THERMAL HAND HELD
Detector
25mm
35mm
50mm
Resolution
400×300
Pixel Size
17µm
Optical properties
Focal length
25mm F1.2
35mm F1.2
50mm F1.2
Focusing
Manual Focus
Visual angle
15.4×11.6
11.1×8.3
7.8×5.8
Imaging
Frame Rate
50Hz
Digital Zoom
1×—4×
Display
Eye lens
1280×960 color LCOS
Visibility regulation
-4~
＋
2
Machine magnification
1.7—6.8×
2.3—9.2×
3.3—13.2×
Power
Adapter
5V DC Special adapter charging
Working hours
≥5 hours @25
°
C
Interface
USB
TYPE C, for Power In/ File Transfer
Video Interface
Micro HDMI
External Connection
Picatinny rail
POWER
INDICATOR
MODEL
PRODUCT FUNCTION
BURRIS THERMAL HAND HELD
25mm
35mm
50mm
Photo
YES
Video
YES
Screen brightness
1~10 levels
Image brightness
1~10 levels
Image contrast
1~10 levels
Scene mode
Enhanced/Highlight/Nature
Super energy saving
YES
Hot track
YES
Smooth zoom
YES
WIFI
YES
Image enhancement
YES
Color palettes
White hot/Black hot/Red hot/Iron/Blue hot
