Pulsar Apex 2-4x42 XD50 Thermal Riflescope

Model no: PL76425

Not exportable outside of the USA. See Export Policy

This product is no longer available
Please consider this similar product instead
Armasight Zeus 640 2-16x50 30hz Thermal Imaging Rifle Scope

Not exportable outside of the USA. See Export Policy

Pulsar Apex XD50 Thermal Riflescope

• 384x288 thermal resolution, 50hz refresh rate
• High 640x480 resolution OLED display
• 1,400 yard detection range (human)
• One-shot zeroing with freeze function
• 2-4x magnification
• 2x digital zoom with picture in picture feature
• Manual, automatic, and semi-automatic calibration modes
• Memorization of 3 zeroing parameters
• 10 variable electronic reticles
• IRIS technology, increased recognition and detection software
• Rock, forest, and identification viewing modes
• Hot white/ hot black viewing modes
• Defective pixel repair feature
• Video output
• External power supply adaptable

Every Pulsar Apex Thermal Riflescope Ships with:

  • Adapter Cable (Video out & Power)
  • Mount and screws
  • Hex-nut Wrench
  • Carrying case
  • User Manual
  • Cleaning cloth
  • Wireless Remote

Pulsar Apex 2-4x42 XD50 Thermal Riflescope description

From Pulsar about Apex XD50 Thermal Riflescope

Boasting a crisp OLED display and 50 hz frame rate, the Pulsar Apex™ 2-4x42 XD50 Thermal Riflescope delivers flawless target recognition of fast-moving objects up to 1,400 yards. Its thermal core resolution of 384x288 captures maximum thermal energy efficiently for a more detailed “white hot” and “black hot” image. Long-distance viewing is made possible by the continuous digital zoom for an extended range of magnification.

The Pulsar Apex™ XD50 is designed with an advanced digital zoom picture-in-picture feature, which displays a magnified picture of the reticle’s aiming point at the top of the screen. This magnified picture of the reticle is ideal for precision aiming while the peripherals of the display maintain the base magnification for a wide field of view, for quick, consecutive follow-up shots. The one-shot zeroing and freeze function takes an image of the target to quickly zero the crosshairs to the firearm’s point of impact.

The Pulsar thermal rifle scope includes 3 operating modes (Rocks, Forest and Identification) for enhanced contrast, significantly improving rendering of hot object details. Users can choose from the automatic, manual or semi-automatic calibration modes, which calibrates the lens in just 1 to 2 seconds. Its internal dampening system keeps the thermal core stable up to 1,000Gs of recoil, equivalent to a .375 H&H bolt-action rifle. It also includes updatable software; ensuring users keep improving their Apex’s performance.

From Night Vision Guys about Apex XD50 Thermal Riflescope

Pulsar has traditionally been a great digital aiming device brand.  Their Pulsar N550 and N750 digital riflescopes are still ranked among some of the most popular night vision scopes aroudn the world.  So now Pulsar enters the thermal imaging space with their Apex line.  We have not yet had a chance to play around with XD50, but from what we have seen on blog and technical literature, this is a promising scope.  50hz refresh rate makes it nearly comprable with the 60hz FLIR based units from competitors such as ATN and Armasight.  The color modes offered by those brands are not available in Apex, but many hunters prefer the black and white signature due to the high contrast.   Otherwise the scope seems to be very capable and offer a great detection range of 1,400 yards.  Overall, there are many thermal scope options in this prices range, it seems the Pulsar Apex XD50 2-4x42 is a decent option and should certainly be considered.

Thermal Imaging

Please note that most thermal devices are built per order.  It may take 3-5 days or more for your order to ship.  If timely shipping is important to you, please, contact us to verify availability prior to ordering. 

Thermal devices can produce various types of images.  Some are color others are monochrome.  In either case change in shade or color indicates temperature differences.

color thermal image thermal bw image

Here is how thermal imaging devices work...

A special lens focuses the infrared light emitted by all of the objects in view.

The focused light is scanned by a phased array of infrared-detector elements. The detector elements create a very detailed temperature pattern called a thermogram. It only takes about one-thirtieth of a second for the detector array to obtain the temperature information to make the thermogram. This information is obtained from several thousand points in the field of view of the detector array.

The thermogram created by the detector elements is translated into electric impulses.

The impulses are sent to a signal-processing unit, a circuit board with a dedicated chip that translates the information from the elements into data for the display.

The signal-processing unit sends the information to the display, where it appears as various colors depending on the intensity of the infrared emission. The combination of all the impulses from all of the elements creates the image.

There are a few key Manufacturers when it comes to thermal imaging.  

ATN: produce such well knows devies as ThOR-HD thermal scope, BINOX-THD thermal binoculars, and OTS-HD thermal monocular.  

FLIR/Armasight: the largest maker of consumer level thermal products is well knows for their full product line.  Zeus thermal scopes, Q14 and Scout monoculars, Helios and Scout binoculars and many more.

Pulsar: a very popular brand for digital night vision and thermal imaging.  Key products include Pulsar Trail and Apex thermal scopes and Pulsar Helion and Quantum thermal monoculars.

Seek: mobile device mounted thermal cameras are the main products of this brand.

Delivery Time and Manufacturing Process for Pulsar Apex 2-4x42 XD50 Thermal Riflescope:

Most of our manufacturers do not keep products like Pulsar Apex 2-4x42 XD50 Thermal Riflescope assembled on the shelf. Night Vision tubes are kept separate from the body of the unit. When the order is placed, the manufacturer starts the order processing and assembly process which includes the following:

  • Order processing - we collect all the necessary information including address and phone numbers. We also make sure that our customer ordered the correct product for their needs and that the product can be exported by US law to the country of destination. In some cases a signed export compliance form is required.
  • QC - in this step the manufacturer will inspect all individual parts which will be used to assemble the night vision device for any defects.
  • Production & Assembly - during production, all the parts are put together. Night Vision tubes in inserted into the body of the unit and all the complex electronics for the device are connected. This process takes place in a special lab called the "clean room" as even a small speckle of dust can cause undesired optical effect.
  • QA - one the night vision device is assembled, it goes through a rigorous testing process to make sure it meets all the expected specifications and all parts function as expected. For this most manufacturers have a special "dark room" designed to allow testing of the units without causing incidental damage to the night vision tube by exposure to bright light.
  • Packaging - this is a key process as well. In most case your night vision device will be shipped to you directly from the manufacturer but sometimes needs to be sent to us first. In either case items need to be packaged securely to avoid any kind of damage during transportation.
  • Shipping - as described above items will most of the time ship from the manufacturer. For most domestic orders (unless shipping to POB or AFB) a premium shipper like FedEx or UPS will be used.

Only by following the above steps can we along with our manufacturers bring you - our customer - night vision products of highest quality, However as you can understand the above process can take several days to complete. For example if your device fails QA, the entire process restarts. Also at QC stage a manufacturer may realize that the tube they have in stock has a defect and a replacement tube needs to be ordered. Due to the complexity of this process, it is prudent to expect 3-4 business days for production and handling of the purchased device. Keep in mind that this process is designed to guarantee your satisfaction with the night vision device of your choice.  It occasionally possible to expedite the process for urgent orders but addional fees or other restrictions may apply.

Technical Specifications

Apex XD50 2-4x42 Thermal Riflescope Technical Specifications

Electronic components 
Type of Microbolometer Uncooled Microbolometer
Frame Rate, Hz 50
Microbolometer resolution, pixels 384х288
Spectral Sensitivity, µm 8-14
Pixel Pitch, µm 25
Video format PAL/NTSC
Display type OLED
Display Resolution, pix. 640x480
Video IN / OUT availability no/yes
The operation modes rocks, forest, identification
Defective pixel repair option yes
Optical characteristics  
Magnification, x 2 - 4
Digital zoom, x Continuous 1x - 2x zoom
Lens diameter, mm 42
Lens focus, mm 50
Relative aperture, D/f' 1:1.2
Field of View,°, horizontal * vertical 11/8.2 2x zoom (5.5/ 4.1)
Field of View, m@100m, horizontal 19.2 / 2x zoom 9.6
Minimum focusing distance, m 5
Eye Relief, mm 67
Diopter adjustment, dptr. - 4…+ 3.5
Focusing type of distance objective
Range of Detection, m\n  
Range of detection, yd / m (object (human = 1.7*0.5m) 1400 / 1250
Power Supply  
Power Supply 4-6 V
Battery type 2xCR123
Battery life (with video out off), hours 5
External Power Supply Pulsar EPS3 or EPS5
Windage & Elevation, 1 click (H/V), mm@100m 30/30
Windage & Elevation adjustment range, mm 6000/6000
Number of preloaded reticles 10
Reticle Type Variable electronic reticles
Physical & operational characteristics  
Lens Material germanium, glass
Body Material glass-nylon composite
Type of mount for attachment of additional accessories weaver
Operating Temp,°F/°С 5 to 122 / -15 to +50
Level of Protection (acc. to IEC 60529) IP67 100% dustproof and submergible to 1m for 1 hour
Waterproofness, yes/no yes
Calibration manual\automatic\semi-automatic
Shockresistance on rifled weapon, J 6000
Mounting brackets on weapon weaver/picatinny
Remote control wireless
Length, in/mm 13.5 / 343
Width, in/mm 3.1 / 80
Height, in/mm 3 / 75
Weight (without batteries/without mount), oz/g 24.7 / 700



Questions on Pulsar Apex 2-4x42 XD50 Thermal Riflescope

From on

Q: How come the xd stuff is still more expensive than the new models thanks

A: Hi Jordan. It is hard for me to answer this. Manufacturers set their price level based on a variety of factors. Are you asking if there is some advantage to the old units?

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