Magnification: 3-12 – Obj. Lens Diameter: 40mm – Exit Pupil Range: 13.2mm – 3mm – Field of View @ 100 Yds: 31.4 – 8.3 – Optimum Eye Relief: 4 – Parallax Setting: 10 to Inf. – Click Adjustment Value: 1/4 – Adjustment Range: 45 – 45 – Weight: 17.1 oz – The Windage and Elevation turrets have zero reset with Allen screw. Each model in the Sweet 17 series have a side adjustable parallax setting of 10 to infinity. (With the exception of the model S17-27×32 which is 7.5 to infinity) – Calibrated for the .17 HMR. – Adjustable Parallax. – Turret calibrated for .17/17hmr and .20gr. – Limited Lifetime Warranty.