Elevation Knob: 1/2 MOA Zeroing Knob. Windage Knob: 1/2 MOA Zeroing Knob. ACTION CONCEPTS is a US Optics Authorized Dealer. The USO TS-8X, 1-8x24mm rifle scope is one of the most versitle short range variable power optics currently available on the market. The TS-8X features a 30mm tube, 24mm objective, Second Focal Plane reticle, illuminated red dot, and capped zeroing elevation and windage knobs.The simple crosshair reticle combined with the illuminated red dot allows for rapid target aquisition while hunting or CQB. Parallax Adjustment: fixed 100 yards. Objective Lens Housing Diameter: 24mm. Windage Adjustment Range: 100+ MOA. Reticle: Second Focal Plane Simple Crosshair Reticle and Red Dot. The item "US Optics Scope TS-8X SFP 1-8x24 30mm Simple Crosshairs Reticle Illuminated" is in sale since Monday, July 22, 2019. This item is in the category "Sporting Goods\Hunting\Scopes, Optics & Lasers\Rifle Scopes". The seller is "action-concepts" and is located in Austin, Texas. This item can be shipped to United States.