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GSCI CNVD-22 Clip-On Night Vision Device

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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 standard 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 affecting boresight 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 applications. 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.


Tube Name



Gen 2 HPT*

Generation 2 + High Performance

Resolution 57-64 lp/mm; Signal-to-Noise Ratio 16-24; FOM 1000-1250

Gen 3 GA1*

Generation 3 Gallium Arsenide High Performance

Resolution minimum 60 lp/mm; FOM 1260-1600

Gen 3 GA2*

Generation 3 Gallium Arsenide High Performance

Resolution minimum 64 lp/mm; FOM 1600-1800

Gen 3 GA3*

Generation 3 Gallium Arsenide High Performance

Resolution minimum 68 lp/mm; FOM 1800-2100

Autogated Gen 3 GA2*

Generation 3 Gallium Arsenide High Performance

Resolution minimum 64 lp/mm; FOM 1600-1800

Autogated Gen 3 GA3*

Generation 3 Gallium Arsenide High Performance

Resolution minimum 68 lp/mm; FOM 1800-2100







Lens System

68mm; F:1.15

Field of View (degrees)


Range of Focus (m)

From 10 to infinity

Boresight Accuracy


Boresight Adjustment

Collimator, if needed

Optical Axis Height (mm)

39 above rail

Battery Type

CR123, 1 pc.

Battery Life (hrs)


Weight (g)


Dimensions (mm)


Operating Temperature (°C)

-40 ....  +50





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Returns Policy

You may return most new, unopened items within 15 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


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When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.