Product Features & Specifications
Featuring a long eye relief with fast focus, the Vortex Diamondback 4 - 12 x 40 Riflescope offers quick target acquisition and fully multicoated optics with anti-reflective coatings to deliver crystal-clear images. The Dead-Hold BDC reticle offers superior wind hold-over performance and long-range capability when you need it, and solid, 1-piece aircraft-grade aluminum alloy construction provides durability and resistance to recoil. Argon purged for waterproof and fogproof performance.
Features and Benefits:
Fully multicoated optics with antireflective coatings for crystal-clear images
Lenses are locked in place with machined, locking rings for alignment and resistance to recoil and impact
Long eye relief with a fast-focus eyepiece for quick and easy reticle focusing
Solid, 1-piece aircraft-grade aluminum alloy construction with a hard anodized finish provides durability
Argon purged and O-ring sealed for waterproof and fogproof performance
Low-capped turrets are less susceptible to accidental impact damage
The low-glare matte finish helps camouflage your position
Dead-Hold BDC reticle offers superior wind hold-over performance and long-range capability when you need it
Precision-Glide Erector System uses components in the zoom lens mechanism to ensure smooth magnification changes even in harsh conditions
Reset turrets allow re-indexing of the turret housing to 0 after sighting in without the need of a coin or wrench
Standard 1" tube diameter
Specifications:
Eye relief (in.): 0.14
Fog proof: Yes
Water resistance: Waterproof
Tube diameter (in.): 1
Field of view (ft.): 324
Mounting length (in.): 5.6
Manufacturer warranty - general: Lifetime
Product Length (in.): 12
Exit pupil (mm): 10
Finish: Matte
Reticle: Dead-Hold BDC/MOA
Objective lens diameter (mm): 40
Magnification: 4x - 12x
Parallax setting (yards): 100
SKU DBK-04-BDC
UPC 875874001152