Carson 3D Series 4.5-14x44mm Riflescope with Mildot or Multiplex Reticle (RS-444MD, RS-444MP) Shock proof, waterproof, fog proof with Eye relief at a comfortable 4 inches Fully Multi-Coated 44mm Lenses that allow maximum light transmission Magnification: 4.5x-14x, lens size 44mm, weight 16 oz. Field angle: 4.4-1.5 degrees, exit pupil diameter: 9.78-3.14mm prox. Field of view at 100m: 7.7m/23.1ft - 2.6m/7.8ft