SONICKING Tactical 3-9×40 AO Riflescope Duplex Reticle Hunting Gun Scope with 20mm Mounts

Lenses
The scope lenses are specially coated to reduce light reflections and light scattering, thus increasing light transmission through the scope.
Maintenance
They should be cleaned as carefully as you would a camera lens. Dust and dirt on the surface of the scope should be cleaned with soft cloth or cotton swab. Keep the scope in a place free of acid, alkaline and other corrosives.

Specification of the Scope:
Magnification: 3-9x
Objective Diameter: 1.57″ (40mm)
Exit pupil: 0.17”-0.44” (4.4mm-11.2mm)
Length: 13.80″ (35cm)
Weight: 0.86lb (390g)
Tube Diameter: 1″ (25.4mm)
Free Offer Rail Mounts: 0.79″ (20mm)
Mount Ring Dia. : 1″ (25.4mm)

Package Included:
1 x 3-9×40 Riflescope
1 x Lens Cover
1 x Allen Key
2 x Scope Mounts for 20mm Rail

High precision hunting rifle scope: 3-9x magnification, duplex reticle, 40mm objective lens, 4 inches eye relief, 1/4 MOA and 100-yard parallax setting.
Waterproof, fogproof and shockproof: One-piece tube construction with Nitrogen filled and O-ring sealed makes this hunting gun scope extremely durable and usable under any weather conditions.
Sharp resolution: Equipped with an adjustable objective lens(AO scope) that allows for sharper focus of the target image, elimination of parallax and range estimation.
Fully coated optical lens: special coating tech provides exterior lens with the ultimate in abrasion resistance, which shows you a flawless sight picture during hunting or shooting.
Easy to install: Two complementary rings to be easily mounted onto any 20mm mount rails.