1)Our Red Dot Riflescope with professional quality and good service , also provide OEM . 2) four different retical Features:1) Specification: 1x22x33RD2) Magnification: 1x 3) Objective diameter: 22 x 33mm4) Exit pupil: 22-33mm5) Length: 82mm6) Eye relief: free7) Field of view: 51.84' @ 100ydsObjective lens: 33mm Red Dot Riflescope We are manufacture of Rifle scope,red dot, Gun Carrying Case, ...