The NVRS 2.5 Tactical with Focus Adjustment is a completely new step in night vision technology. The forward fine focus ring ensures that you can lock onto a target by clearly focusing from 1 meter. It is a near-perfect summation in a modern, compact, high performance riflescope. The performance is so good that you can actually see separate blades of grass 100 ft. away in the dark. The military-grade titanium body is designed to provide exceptional weight/strength characteristics. With a Mil-Dot-type red luminous reticle with internal windage/elevation adjustments via knobs conveniently placed on the right of the eyepiece, it is easy to find and hold an object. It can be completely switched off when not required or when the scope is used for photography/video purposes. The controls are ergonomically designed and can be used with ease in total darkness. The NVRS 2.5 features a silent power supply, if you've used night vision in the past, you will quietly appreciate this feature. The large multi-coated front lens provides high light gathering capabilities while maintaining the scope's compact profile. The oblique rubber eye shade makes viewing more comfortable while shielding the green glow of the electro/optical light amplifier from outside observation. The powerful built-in infrared illuminator provides additional 'invisible' light to enhance viewing when the subject is in shadows or complete darkness. It is effective at distances up to 200 meters. The NVRS 2.5 offers a unique remote on-off switch that can be located on the stock or forepiece of a rifle, thus enabling the shooter to activate the NV scope without removing his hands from the weapon. The photo/video adapter (sold separately) also contributes to the exceptional value and versatility of the NVRS. The Black Tactical version boasts two scope-mounted weaver rails allowing you to add accessories such as red dot lasers, tactical lights, etc. Can you beat titanium shockproof housing, a luminous red reticle that has an adjustable brightness control, a powerful IR-Illuminator, a silent power supply unit, a lightweight unit with a long range, standard oblique eye shade, unmatched high resolution, superior light-gathering large objective lens, a sniper-inspired Remote Activation switch, the added fun of an optional photo/video adapter and great ergonomically designed controls?