Dedal-T4.642 Hunter

Thermally stabilized precision aspheric lenses

The optical scheme comprises aspheric germanium components and is recognized for its high light power and practically diffraction-limited image quality, which is consistent across the entire field of view. The objective lens design provides precise movement of all internal elements and perfect image sharpness in all focusing and temperature ranges.
The lens DLC-coating facilitates high IR light transmission and protects the surfaces against scratches and damage.

Proprietary methods of digital image processing

Proprietary software and original algorithms of digital image processing includes: a unique system of dynamic contrast adjustment, an automatic correction of brightness and contrast, which does not demand user to respond to changing environmental conditions, and a system of small elements detailing both the target and the background, which is not affected by their temperature difference. All these features facilitate heat signature images with resolution pushed up to the limit.

Automatic sensor calibration system

Automatic shutterless sensor calibration system permanently optimizes sensor performance in changing observation conditions and does not distract the shooter for manual adjustments, controls or re-calibration. It is perfectly noiseless and is the most suitable for continuous observation.

Observation comfort and
shooting safety

The riflescope eyepiece has a large exit pupil, which provides comfort and continuous observation without eye strain, so that the observer’s eye can shift from the device optical axis without losing the image. The shooting safety at high calibres (.338 LM, .408 CheyTac, and .50 BMG) is guaranteed by long eye relief.

Specifications

The thermal imaging riflescope Dedal-T4.642 Hunter is intended to be attached to a rifle for observation, target recognition, and aimed medium and long-range shooting in any illumination and weather conditions including complete darkness, heavy rain, snow, or fog.

Dedal-T4.642 Hunter has 8 built-in ballistic reticles. The user can also create his own reticles for his weapon and ammunition. The riflescope operates in a completely automatic mode and does not require additional adjustments in changing environmental conditions. The startup time is less than 3 seconds. A high level of detailing of the targeted image and its background, both cold and warm objects, is the riflescope’s distinguishing feature. Dedal-T4.642 is equipped with the connector for video recording and connection with an external power source.

	Dedal-T4.642 Hunter
Optical Magnification	3.5×
Digital zoom	2× / 4× / 8×
Horizontal Angular Field of View, m/100m (degrees)	10.8 (6.2)
Vertical Angular Field of View, m/100m (degrees)	8.2 (4.7)
Objective Focal Length and F-number	100 mm F/1.6
Focus Range, m	from 20 to ∞
Reticle Adjustment Step, mrad	0.142
Thermal Sensor	Uncooled mirobolometer array
Thermal Sensor Spectral Range, µm	from 8 to 14
Thermal Sensor Resolution, pixels	640×480
Thermal Sensor Pixel Size, µm	17
Thermal Sensor Frame Rate, Hz	25
Startup Time, sec	<3
Calibration Concept	programmatic, shutterless
Thermal Sensor Sensitivity (NETD), °К	<0.07
Display Type	AMOLED
Display Resolution, pixels	800×600
Eye Relief, mm	45
Eyepiece Diopter Adjustment	from – 3 to + 3
Power Source	Two CR123 batteries
Power Voltage, V	6
Batteries Lifetime at 23 °C, hours	4
Dimensions, (LxWxH), mm	305×81×95
Weight, kg	0.85
Operational Temperature, °C	from -40 to +50
Operational Humidity, %	up to 98
IP Rating	IP67

Vertikales winkelförmiges Sichtfeld, m/100m

(Grad)