Category Archives: Digital Night Vision

What is the difference in the Sightmark Photon XT 6.5S and Photon XT 6.5L?

Whats the difference in the Photon 6.5S and the Photon 6.5L?

There are 2 different versions of the Photon XT 6.5. The only difference between the 2 models is the type of infrared illuminator on each unit has on-board.

The 6.5S model has an LED IR illuminator, the 6.5L has a laser IR Illuminator, and the 6.5L model is $50 more than the 6.5S. The laser IR on the 6.5L throws farther than the LED IR on the 6.5S, but the laser is much more grainy than the LED IR illuminator on the 6.5S which throws a nice smooth circular beam pattern. Both on-board IR illuminators offer less than enough beam throw and distance to allow the operator to advantage of the Photon XT 6.5(S and L) impressive range capabilities. Both on-board IRs also have a fixed beam pattern, meaning there is no option to focus the beam pattern smaller or in a different direction. If you don’t plan on using any type of external IR illuminator, it is best to choose the Photon XT 6.5L. The IR laser on this model consumes less battery power and offers better range.

There is, however, an external IR illuminator option that offers incredible throw distance, a focusable beam pattern, and better battery life – the UNV 20-IR Long Range LED IR Illuminator. If you are considering the use of an external IR, then there is no need to spend the extra $50 for the 6.5L model. Go with the 6.5S, and add a UNV 20-IR.

Using an external IR with the Photon 6.5
There are a few benefits to using an external IR illuminator like the UNV-20IR vs the on-board illuminators on the Photon XT line of scopes. First, the 20-IR will dramatically increase your usable range. Second, any external IR will dramatically increase your battery life since the onboard IR is not pulling any power from the Photon XT’s battery supply. Lastly, the UNV 20IR is focuable, dimmable, and uses a rechargeable battery making it versatile and easy to use with other night vision devices.


Digital Sentry Night Vision Monocular – Night Optics Releases their New Digital PVS-14 Style Monocular

Huntington Beach, CA – Night Optics USA introduces a new digital night vision monocular.

Night Optics USA, a manufacturer of high performance night vision and thermal imaging systems for over 20 years, has introduced the new Digital Sentry 2x night vision monocular. Based on the very popular PVS-14 (Sentry 14) design, the Digital Sentry monocular


features a ¼” CMOS sensor delivering full color images to the 330×224 pixel LED display.

The lightweight and versatile Digital Sentry night vision monocular runs on two AA batteries, can be hand-held, head mounted or weapon mounted and is well suited for daytime and nighttime use. The 2x 28mm optics provides a viewing range of 220 yds. with a 6.4º field of view.

Additional features include a powerful 850nM LED IR Illuminator with intensity control, simple single switch operation as well as smooth objective and diopter focus adjustments.

The Digital Sentry comes with head mount, weapon mount, batteries and operating instructions in a camouflage pouch. The Digital Sentry is an excellent tool for Airsoft and paintball enthusiasts, hunters, outdoorsmen, emergency preparedness kits and more.


For more information on the Night Optics Sentury Monocular click here.