Hawke Nite Eye Digital IR SR6 3-12X50 Riflescope Model Reticle: 3-12x50 SF SR6, Field of View Ft. at 100 yards/m@100m: 30.6-7.7/9.3-2.3, Eye Relief in./mm: 3.2/83, Length in./mm: 13.4/340, Weight oz/g: 21/600.