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Pulsar Digisight N750 Digital Night Vision : First Look Review at the latest digital night vision riflescope from Pulsar.

The Pulsar Digisight N750 Digital Night Vision is the long anticipated updated version of the popular Digisight N550. Although the N550 will continue, the N750 Digisight offers increased perfomance, digital push button zoom, built in IR laser, and an OLED high resolution display to offer stunning performance and long range viewing up to 600metres (ideal conditions)

Introducing the new Pulsar Digisight N750 Digital Night Vision Riflescope

The Pulsar Digisight N550 Riflescope has become THE choice of weapon sight for vermin control and foxing at night. When it was launched the N550 was a revelation as it offered a night vision solution which could be used at night as well as during the day with performance comparable to Gen 2+ night vision, at a fraction of the price.

With the N750 Digisight from Pulsar, new technological advances have been included such as an OLED display, built in High Power IR Laser, push button Digital Zoom, and a new wireless remote control system.

First impressions are very good, and throughout the past few weeks we have put the N750 through its paces in daylight use, as well as at night, and in our dark room test tunnel.

Firstly lets take a look at some of the features, and whats new with the Pulsar Digisight N750 Digital Night Vision Riflescope.

Built In Laser Illuminator

Pulsar launched their L-808 Laser Illuminator in 2011, which provided a high performance laser illumination source for the Digisight N550, allowing night viewing out to 250metres in complete darkness. This device was an add-on laser IR with its own power source, and bolted to the accessory rail on the left hand side of the N550.

With the N750 Pulsar have included a built in adjustable power Laser IR illuminator, which is in place of the standard LED IR illuminator as found on the N550.

The N750 Digisight built in Laser Illuminator has a wavelength of 780nm with an equivalent power output of 150mw. This power output can be controlled via the On/Off switch on the top of the Digisight, and you simply scroll through, On >>>> Stage 1 >>>> Stage 2>>>> Stage 3.

Power output of the laser starts at 90mw on Stage 1, 110mw Stage 2, and then 150mw full power Stage 3. This is ideal for shorter range use where exposure of the subject can be improved with the laser on a lower power setting, also conserving battery power.

Run times out of interest are claimed at 4hrs without Laser IR, and 3.5hrs with Laser activated. Enough for a nights shooting, however with the addition of an EPS battery pack from Pulsar, run times can be extended to 9hrs on EPS3 and 20hrs on EPS5

An added bonus of the internal laser IR, is that the side accessory rail is now free to mount an EPS3 battery pack, to provide a real compact solution.

Wireless Remote Control

The Digisight N550 came with a wired remote control, which could be stock mounted and allowed you to turn the device On or Off, and activate the IR illuminator. Although this was a neat ideal the wiring was slightly annoying and often fouled the bolt when loading quickly.

With the N750 Digisight, the remote control is wireless, and is ideal for operating the Digisight from a tripod. With three push buttons you can easily control operation of the Digisight turning it On and Off, activating the IR illuminator, and an added bonus of applying the Digital Zoom.

A remote may sound pointless, but when you are looking down the barrel of a rifle, the slightest click of a switch as you fumble to turn on the IR, is enough to cause alarm and your quarry to hot foot it underground. With the remote control, we mounted it to the forend of the rifle, you could control operation completely silently.

Simply press and hold the power button to activate the N750, and you can cycle through the IR Laser power output by pressing the IR button to go through each power level.

We found the wireless remote was also ideal when using the N750 as an observation device outputting to a display monitor, ideal for on safari, as you can operate the scope without actually moving from your location.

Pulsar N750 Video Teaser



OLED Display

When you first look through the N750 it is evident that things have been much improved in the digital display area. Gone is the slightly grainy black and white image, when now you see a high resolution, slightly cyan tinted, digital display of what you see. Whats an OLED display you may ask?

Well OLED technology is now found in devices such as smartphones, and represents the latest advances in digital technology to bring sharp displays to the end user consumer.

An OLED display works without a backlight, and can present dark colours much better, therefore night time viewing is enhanced with better definition and contrast, with the ability to view more "shades" than a traditional LCD display. This is quite evident on the N750, although we are not convinced it is substantially sharper than the N550, which is a remarkable piece of kit in the performance aspect.

The N750 display provides various information, seen in the example screen shot opposite.

1. IR Laser Activation: Informs user that the IR illuminator has been activated. The three dots to the right of the IR icon indicates the power level applied.

2. Contrast and Brightness adjustment: An icon indicates when you have entered the adjustment facility for contrast and brightness control.

3. Sumlight Mode: Displays when the Sumlight software image enhancement has been turned on. This is now default OFF when you first power on the Digisight.

4. 1.5x Zoom Activation: Indicates that the Digital Zoom has been applied.

5. Time: Time can be displayed during operation.

6. External Battery Indicator: Indicates that an external battery pack is being used, in this case the Pulsar EPS5.

The display will also indicate various other operation modes including Low Battery Indicator, Reticle Co-Ordinates when zeroing, One Shot Zeroing mode, and Wireless remote activation.

Illuminated Reticle System

The N750 comes pre-loaded with one reticle, however you can download an alternative reticle from the Pulsar website. This is slightly a step backwards from the N550, as the previous Digisight allowed you to scroll between a selection of user reticles, depending on application. So if you are hunting foxes at night, and need a traditional reticle, or hunting boar with a single point reticle you can quickly change between your selection.

This doesn't matter however, as Pulsar have provided us with an illuminated reticle on the N750. A single point in the centre of the reticle can be cycled between red and green, making it ideal for hunting in very dark conditions. We have all experienced the issue with a black reticle on a black background, its hard to distinguish aim points in bad weather, however with the N750 this is solved with an easy to use red or green reticle. This will appeal big time to the boar hunters, as a single dot reticle will be all that is needed to quickly swing through targets.

Zeroing the N750

Like the N550 Digisight the N750 can be zeroed either using the traditional method, or by using the One Shot Zero software facility. You can read more about using the One Shot Zeroing facility on Pulsar Digisight's on our website, and the same function is used with the N750.

Using the Sumlight Facility

The Pulsar Digisight N750 has a number of modes to enhance image quality, in particular the Sumlight software function.

The Sum light program is based on the accumulation of signals inside the N750 CCD Array, and when activated the Sum Light facility increases the sensitivity of the array by as much as several times in low light levels, therefore making it possible to observe wildlife in virtually complete darkness, with no ambient star or moon light.

During operation of Sum Light, there is however a noticeable increase in noise levels on the display, and the frame rate is reduced, resulting in a slight image lag producing a motion blur for a brief milisecond. This is not a flaw with the unit, but basically the way the Sum Light facility boosts the image allowing you to scan areas with zero background lighting.

Video Out

As the N750 utilises a digital night vision system, a video out facility is supplied. This is shown on the picture above, and features a video port with a yellow RCA lead coming from the device. For our tests we used a Yukon MPR player which has the ability to record what the device sees. This is great for making a video record of hunting trips and then sharing it on You Tube with friends or fellow forum users later.

You can also output the video signal to a display such as a monitor in a vehicle, making the N750 ideal for safaris, or group night observation where you can output the display to a large screen for all to see.

Increasing the Magnification of your Pulsar Digisight N750

Like the Pulsar Digisight N550 the Digisight N750 comes with a fixed optical magnification of 4.5x magnification. Previously when users required a greater magnification, "doubler" kits such as the Dr Bob Lens Converter were available to multiply the magnification by 1.7x by adding an external lens kit.

The Digisight N750 has addressed this with the addition of a Digital Zoom facility. Simply press the SCR button on the top of the Digisight and you can apply the 1.5x Digital Zoom, providing the previous 4.5x zoom with a 1.5x boost to 6.75x magnification.

This is not an optical lens converter like the Dr Bob kit, so a small degree of clarity is lost as the device effectively zooms in on digital information that is already being displayed.

Saying that it is perfectly capable, and for long range shots it is ideal.

We simulated a scenario with a N750 mounted to a camera tripod, and the video below shows the device at 4.5x and then with 1.5x zoom applied.

Impressive stuff!

We do however wonder how a Dr Bob lens converter will react, which in theory could provide an impressive 11.47x magnification. Further tests will confirm if this is compatible, but sadly the N550 Dr Bob kit does not fit the N750 lens housing so tests will have to wait. Watch this space!



Using the new Digisight N750

With the popularity of the Digisight N550, the new N750 has a lot to live up to. With a claimed max detection range of up to 600 metres, the Pulsar Digisight N750 sounds very impressive indeed, and will offer better performance than commercial Gen 2+ technology at a fraction of the cost.

With the built in IR laser device, the N750 is a very compact NV solution. Simply mount the riflescope to your rifle using the supplied weaver base (an adaptor will be necessary for most sporting rifles) and you can then zero traditionaly or with the one shot zero system.

You can power the Digisight with four AA batteries, we recommend 2700mAH batteries, or Energizer Lithiums for best results, or you can use an external power supply such as the Pulsar EPS5.

Turn on the riflescope turning the selector switch to the first position (the next positions activate the Laser IR) and within a couple of seconds the device will "boot up" and the display will illuminate. You can then adjust the sharpness of the display symbols using the dipoter focusing dial (mounted at the eyepiece). When the icons are in focus, no further adjustment of this should be necessary for the same user as it effectively sets the display focus for your vision.

You can adjust the display brightness and contrast with a push of a button and an indicator will illuminate in the instrument display to show which mode is active.

Next you move on to focus the device, simply rotate the lens focus knob (situated front right of the device) to acquire the best possible image sharpness. To quickly zero at 100m, simply set the focus knob opposite the 100 mark on the lens focus dial.

You can now select your reticle colour by pressing the INV button on the top of the device and scroll between Green and Red reticle colour.

To activate the 1.5x Digital Zoom, simply press the SCR button on the top of the device and the device will switch to 6.75x magnification, allowing you to take a close look at subjects at distance.

In low light conditions, the N750 comes equipped with a high power Laser IR illuminator, which is activated by turning the power knob through a series of clicks depending on the power level required.

Like the N550 Digisight the N750 can be used in daylight as well as at night, making it the ideal weapon sight for vermin control, allowing you to hunt during the day, and then when darkness falls without switching riflescope.

Traditional image intensifier devices cannot be used in anything but complete darkness, restricting their use for zeroing in daytime.

Night Time Illumination Tests

Traditional night vision often suffers from overexposure when looking at subjects relatively close to the user. With a minimal focal length of 5 metres, the Digisight N750 can be used for shooting rats in barns with an air rifle, or mounted on a centrefire rifle for long range vermin control. It is equally effective at either extreme, as long as you effectively control the IR laser output.

For example, shooting rats at 15metres away, the Laser IR has to be reduced in power to level 1, however when scanning for foxes at 200 metres, the IR Laser has to be on maximum power to obtain best results.

Even at shorter ranges the Digisight can effectively produce a well exposed image using the built in IR Laser, but of course comes into its own when used for long range observation.




What comes with your Digisight N750 76312

The Pulsar Digisight N750 is packaged in a branded outer sleeve, with an inner cardboard box.

Included within is the following items:
  • Riflescope Digisight N750 with Built in Laser IR
  • Wireless Remote Control
  • Carrying Case
  • Weapon Mount which attaches to device underside to fit to weaver or picatting weapon mount (adaptor may be required)
  • User Manual
  • Cleaning Cloth
  • Warranty Card

Optional Accessories

  • Pulsar EPS Battery Pack for extended run times
  • Yukon MPR Mobile Personal Recorder for recording video footage
  • Laserluchs IR Laser devices or Pulsar L-808 Laser IR Illuminator: Attaches to side accessory rail for long range applications

Specification:


Generation: Digital
Magnification: 4.5x Optical (1.5x Digital Zoom to effective 6.75x)
Objective Lens: 50mm F1.0
Field of View degree / m (at 100m): 5 / 8.7
Field of View with 1.5x Digital Zoom: 3.25 / 5.7
Eye Relief: 67mm
Exit Pupil: 6mm
Resolution: 55 Lines/mm
Max Detection range with built in IR Laser: 600m
Close up distance: 5 metres
Click Value/Click Range 13mm at 100m / 100 click vertical, 80 clicks horizontal
Output Video: CCIR/EIA
CCD Array Type: ICX225
Resolution: 500H x 582V
OLED Display: MicroOLED
Pixel Resolution: 640x480
Illuminator: IR Laser Class 1 according to IEC60825-1:2007
Operating Voltage: 6V (4xAA) or DC 8.4-15V External
Degree Of Protection: IP44
Operating Temperature: -20 Deg to +50 Deg C
Wireless Remote Frequency: 2.4Ghz
RC Battery Life: 2 Years
Max Shock Resistance: 6000 Joules
Dimensions: 340x95x94
Approx Weight: 990grams

Please Note: Max Detection range of an object measuring 1.7x0.5m in natural night conditions (0.05 Lux, quarter moon)



Long Range Night Vision Tests

We are currently testing the N750 on long range targets, with a fox 3d target situated at 100m, 200m, and then 300m.

Further update and video results to follow.

You can find out more about the fantastic new Pulsar Digisight N750 Digital Night Vision on our website.