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GSCI CNVD-22 Clip-On Night Vision Scopes (Top Seller)
GSCI CNVD-22 Clip-On Night Vision Device

GSCI CNVD-22 Clip-On Night Vision Scopes (Top Seller)

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Your Price: CAD4,699.00
Special Order, Usually ships in 5-10 business days
Part Number:CNVD-22

Choose Options or Accessories if Applicable

IIT Tube Selections
MA, Gen. 2+ FOM up to 1000, Autogating [+CAD500.00]
MA1, Gen. 2+ FOM 1000-1250, Autogating [+CAD1,099.00]
GA2, Gen. 3 FOM 1600-1799 [+CAD3,419.00]
GA3, Gen. 3 FOM 1800+ [+CAD4,999.00]
Photonis ECHO, FOM 1600-2000, White, Autogating [+CAD2,118.00]
Photonis ECHO ELITE, FOM 2000+, White, Autogating [+CAD2,818.00]
Photonis XR5 Green, FOM 1600+, Autogating [+CAD5,799.00]
Photonis XR5-ONYX FOM 1600-1799 White , Autogating [+CAD8,079.00]
Photonis 4G Autogated FOM 1800+, Autogating [+CAD8,959.00]
Photonis 4G-ELITE FOM 2200+ 2300+, 2400+, 2500
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The clip-on Night Vision Sight CNVD-22 is a high performance system that mounts to any MIL-STD-1913 rail interface in front of a day time scope. This gives the operator night vision capability from a standandard day scope system.

The CNVD-22 can be equipped with a vast variety of Image Intensifier Tubes (IIT), thus offering that unique solution to transform a basic system into a high end system, while maintaining the competitiveness in price.

Furthermore, no matter that type of IIT is installed, the fast F:1.15 catadioptric lens brings brighter and sharper image in moonlight, starlight, or even overcast nights.

The unit is installed, operated, and removed without tools and without affectingboresight alignment. Unlike most other similar systems, the CNVD-22 has conveniently built-in collimator which allows to "fine-tune" any smallest discrepancies or possible misalignment.

The CNVD-22 can be mounted in front of a spotting scope for long range reconnaissance, or placed in front of a riflescope for sniper appllications.

The best viewing can be achieved with the day scopes having various power between 3X - 9X while other clip-on units on the market have severe image degradation after 4X. While mounted on the MIL-STD-1913 rail, the CNVD-22 can withhold mid to heavy recoil which allows to use it on variety of sniper or hunting guns.


Magnification 1X
Lens System 68mm; F:1.15
Field of View (degrees) 13
Range of Focus (m) From 10 to infinity
Boresight Accuracy 1 MOA
Boresight Adjustment Collimator, if needed
Optical Axis Height (mm) 39 above rail
Battery Type CR123, 1 pc.
Battery Life (hrs) 40+
Weight (g) 610
Dimensions (mm) 150x80x75
Operating Temperature (°C) -40 ....  +50

Available Image Intensifier Tubes
The device comes with a choice of several image intensifier tubes:
Gen 2+, Gen 3, XR5* and the latest 4G*.
Contact us for more details on tubes specifications and availability

* XR5 and 4G are the registered trademarks of Photonis Technologies S.A.S.

Standard Equipment

CNVD-22 Clip-On Sight

Hard Case (comes with high-end Gen 3, XR5, 4G units)

Soft Carrying Pouch

User Manual and Warranty Card

Optional Equipment

IR Illuminator

Add-On IR Illuminator. 850nm, 5W Power. Includes IR Unit, Weaver mount and Remote control.

Add-On Infrared Illuminator Kit: 850nm, 5W Power. Kit includes IR unit, Picatinny Mount and Remote Control


Pros and cons for ECHO when compared to high-end devices (Gen3 FOM 2100+, 4G etc)


ECHO is commercial grade, when 4G & higher FOM devices are considered to be mil-grade. What does that mean? Mil-grade requirements does not allow black-spots to be in the first nor second sector. Therefore, all tubes that have black-spots in those sectors, are pushed to commercial grade. As a result, rarely you can find an ECHO without blackspots, because otherwise that tube would classified as mil-grade tube.

How much does it affect you? The less light there is, the less visible black spots are. You will be able to see those tiny dots, but when game is on, those spots have never borthered me.


Similar performance - The Gen3 we had in comparison costs about 60% more, but delivers only slightly better performance than ECHO.
Faster auto-gated - as you can see from video, the halo-size (size of bright light) is smaller with Photonis tube. Thats due to much more efficient autogating. So, in high light conditions ECHO/4G tube will outperform Gen3 tubes.


One might say that ECHO was filmed from closer range (guys moved around when I changed devices). Still, we can say that both devices have pretty similar performance – both devices had noise due to low-light, but the noise on ECHO wasn’t worse compared to high-end / mil-grade Gen3.

When buying commercial grade night-vision like ECHO, you shouldn’t expect clean tubes. There will be black-spots. Otherwise, it would not be so cheap compared to mil-grade tubes.

If your life does not literally depend on it, buying ECHO will definitely save you some money while giving similar level of performance.

Image Intensifier Tubes of Generation III = ECHO, SuperGen®, XD-4™, XR5™

Gen. III tubes differ from the Gen. II+ tubes by their construction of the cathode. Gen. III tubes have a Gallium-Arsenide cathode (GaAs) with more sensitivity for IR-light. The light amplification is around app. 30000 up to 55000 times, the photosensitivity of the cathode is around 900 – 1600 µA/Lm at 2850K and the resolution of the line pairs is 32 – 64 lp/mm (omnibus 1 and omnibus 2 where developed end of the 70s, omnibus 3 and omnibus 4 is a further development of the late 80s. Omnibus 7 is currently* the most powerful Gen. III tube with a FOM value of app. 2300). The performance of Gen. III tubes may vary, depending on type and specifications (omnibus 1 up to currently* 7 Pinnacle), by circa 300%. The life expectancy is around 10000 up to 15000 hours, which is 3 – 4 times longer than the Gen. II tubes. Devices with Gen. III tubes are operating excellent in extremely low ambient light (residual light). The observation image is saturated, sharp, with excellent contrast and recognition of also smallest details. ECHO, XD-4™ and XR5™ tubes with an AUTO-GATING function are excellent suitable for operations in urban area.

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