Adjustable 2.5-10x magnification with 40mm objective lens
•Eye Relief: 66.8 – 99mm
•Field of view: 13.4×40.3@100yrds
• Nitrogen filled
• Aluminum T6160 Alloy
• Illuminated Red / Green reticles (Rangefinder)
•Total Length: 13″
•Includes:
2.5-10×40 Rifle Scope
Pair of Picatinny scope ring mounts.
1.5v Button Cell Battery
Shade Extension Tube
Allen Wrench
Lens cloth
Removable Lens covers
Wiki Scopes
http://www.wikihow.com/Compare-Rifle-Scopes