PULSAR Quantum XD50S Thermal Vision

- PULSAR Quantum XD50S Thermal Vision

- Magnification: 2.8 to 11.2 X

- Refresh rate: 50 Hz

- Range of detection: 1250 m

- Field of view, HxV: 11x8.3 degrees

- Operating temperature: -25 to +50 degrees Celcius

- Stadiametric rangefinder

- 7 Color paletts

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- PULSAR Quantum XD50S Thermal Vision

- Magnification: 2.8 to 11.2 X

- Refresh rate: 50 Hz

- Range of detection: 1250 m

- Field of view, HxV: 11x8.3 degrees

- Operating temperature: -25 to +50 degrees Celcius

- Stadiametric rangefinder

- 7 Color paletts

- The package contains the Thermal Imaging Scope, carrying case, user manual, video cable, hand strap, automotive cigarette lighter adapter, spare battery container, cleaning cloth, warranty card


Electronic components

Frame Rate: 50 Hz
Microbolometer resolution: 384x288 pixels
Display type: OLED

Range of Detection

Range of detection: (object height X width = 1.7 X 0.5 m): 1250 m

Optical characteristics

Magnification: 2.8 X
Digital zoom: 2 X and 4 X
Objective Lens: F50/1.2
Field of View: 11x8.3 degrees (horizontal/vertical)
Diopter adjustment: ± 5 dptr.

Power Supply

Power Supply: 4 - 6 V
Battery type: 4xAA
External Power Supply: DC 8.4 - 15

Physical & operational characteristics

Operating Temperature: - 25 to +50 degrees Celcius
Level of Protection: IPX4 (acc. to IEC 60529)
Dimensions: 207 X 86 X 59 mm
Weight (without batteries): 0.43 kg


Color palettes

Quantum XD/XQ offers a choice of 7 color palettes for captured by objective lens image, monochrome (usual “hot white”, “hot black”) and color highlighting the hottest and coldest areas with different colors.

Rangefinding reticle

Quantum XD/XQ has a stadiametric rangefinder performed in the shape of rangefinding reticle which enables distance measuring to observed objects with known height (deer - 1.7m; boar – 0.7m; hare – 0.3m) with a sufficient precision.

High image frequency

Due to the high image frequency (50 Hz) it is comfortable to use thermal camera dynamically (during rapid moving of observer or object of observation).

Long viewing range

Actual range of detection of a human figure (1.8x0.5m) in the field (human has outerwear, in the field against the background of the forest) for the Quantum XDS varies from 500 to 1250 m, depending on the model.

Operating modes

The Quantum XD/XQ suggests three operating modes, each designed to deliver best possible image in specific viewing conditions. The modes are as follows: “City” (enhanced contrast), “Forest” (low contrast) and “Identification” (improved rendering of hot objects’ details).

Display OFF

When it is necessary to temporarily stop observation the user can apply DISPLAY OFF function. It provides the necessary level of camouflage (no light from the eyepiece of the device) between observation sessions as well as the fast restart of observation (when display is turned off, all other systems are working; for normal operation it is enough just to power on the display again).

Power saving mode

Disabling the video output module in the Quantum thermal scopes increases self-contained operating time on a set of batteries or external power supply.


The Quantum suggests three calibration modes of thermal imagers for hunting: silent manual mode (“M”), automatic (“A”) and semiautomatic (“H”). The “A” mode implies calibration without user participation (process initiation (actuation of the shutter) takes place automatically). In the “H” mode the user decides on his own if calibration is required based on the image quality. Button “Cal” is pressed in this mode. Manual calibration (“M”) is carried out by pressing the button when the lens cap is closed. The “M” mode is recommended for hunting due to silent operation.

Brightness and contrast control

The control wheel located next to the lens allows the user to setup brightness and contrast most appropriate for specific situation.

User interface

Actual information about the status of the thermal imaging device, depicted in the form of blue icons and numbers, is located on the data panel in the lower portion of the screen, and does not interfere with the image observed. When switching between various functions (digital zoom, colour inversion, brightness/contrast settings), the respective large sized icon appears in the right upper portion of the screen.


The body of fiberglass reinforced plastic is able to effectively withstand impact, moisture and dust which allows the units to be used in extreme conditions. The rubber armouring ensures secure grip of the unit.

Self-contained power supply

The Quantum is powered with four AA size (rechargeable) batteries. The batteries are stored in a container which is then placed in a battery compartment of the unit.

External power supply

Operation time of the unit can be significantly increased thanks to the use of external power supplies (for example, Pulsar EPS3/EPS5) that can be connected with a special jack. When used in frosty weather, the power supply can be stored under the clothes.


Main control functions (turning on and off the unit, sensor calibration, colour inversion/digital zoom) are carried out with the buttons on the upper panel. The size and location of the buttons are customised for comfortable use both with a gloved or bare hand. Brightness and contrast are set up with the controller wheel located next to the objective lens.

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