For low-light and dark hunting conditions, the Huntmaster Pro 3 - 12 x 50 IR Riflescope by Barska Optics is the ideal choice. This waterproof, fogproof and shockproof scope features a 30/30 illuminated center-lit reticle with 11 brightness settings. A fast-focus eyepiece offers quick adjustments for precision focusing when it matters most. Included scope caps provide the necessary protection for the life of the scope. Black matte finish. Field of view: 35' - 11.6' at 100 yds. Exit pupil diameter: 16.7 - 4.2 mm. Tube length: 1". Tube diameter: 1". Mounting length: 13". 21.34 oz. One 3V lithium battery with 250 hr. approximate battery life (included).