RMR RED DOTOptical Performance 1x magnification 1. 02 x 0. 75" sight window Aspheric lens increases the usable field of view while eliminating image fall off toward the lens edges and reduces distortion at the edges Anti reflection lens coatings increases light transmission for brighter views Blackened lens edges reduce glare and light diffusion from the edges for improved contrast and resolution Optical Contents: Able to Aborbing the Recoil force from Gas