Nikon ProStaff Rimfire 4 x 32 Black Matte Riflescope (Nikoplex)
http://www.amazon.com/gp/product/B004MYBLXK?tag=sukses2015-20
Compact riflescope with 4x magnification and 32mm objective lens
Fully multicoated optical system transmits up to 98 percent of available light
Zero-reset turret with spring-loaded adjustment knob 41 inches of eye relief
Nitrogen-filled O-ring-sealed housing for waterproof fogproof performance
Nikoplex reticle quick-focus eyepiece measures 115 inches