High Performance 10x optical system with low dispersion glass – Integrated thread in throw leaver for quick magnification changes – Illuminated MSR BDC-10 reticle with 11x brightness levels – Lay flat flip back lens covers included – Dependable waterproof shockproof and fog proof performance – Includes aluminum 34mm ALPHA-MSR cantilever mount – Front Focal Plane (FFP) BDC-10 provides accurate ranging and hold overs at all magnification ranges – MAGNIFICATION 1-10x – OBJECTIVE LENSE DIAMETER 26mm – MAIN TUBE DIAMTER 34mm – RETICLE FFP MSR BDC10 – FOCAL PLANE First – FIELD OF VIEW (HIGH/LOW) 12 to 120 Feet at 100 Yards – EYE RELIEF (HIGH/LOW) 82.5 to 87.5 mm – EXIT PUPIL (HIGH/LOW) 2.6 to 7.6mm – ILLUMINATION Yes – BATTERY TYPE CR2032 (included) – WATER PROOF RATING IPX7 – TOTAL TRAVEL >100MOA in both Windage and – TRAVEL PER ROTATION Elevation 50 MOA – ADJUSTMENT INCREMENTS 1/2 MOA per CLICK – OVERALL LENGTH 11 in – WEIGHT 21.9oz