Barska 1x30mm Red Dot Sight Features This red dot sight features true 1x magnification with a 30mm objective lens for rapid sight alignment and unlimited eye relief. A finger-adjustable rheostat allows variable reticle brightness to adapt to changing lighting conditions. Windage and elevation turrets provide straightforward zeroing for consistent accuracy. Multi-coated optics with anti-reflective treatment enhance clarity and reduce glare. The universal 3/8 inch and 5/8 inch mounting base supports compatibility with rifles handguns shotguns and crossbows. Included lens covers and a cleaning cloth help protect the optic during storage and transport. Barska 1x30mm Red Dot Sight Specifications Manufacturer: Barska Series: Red Dot Magnification: 1x Objective Lens Diameter: 30mm Reticle: 5 MOA Red Dot Reticle Illumination: Red Focal Plane: Second Eye Relief: Unlimited Field of View at 1x: 57 feet at 100 yards Click Value: 1 MOA Adjustment: Windage Elevation Adjustable Rheostat Optical Coating: Multi-Coated Turret Style: Capped Mount Type: Universal 3/8 inch and 5/8 inch Base Battery: CR2032 Lithium Battery Required Waterproof: No Finish: Matte Black Length: 3.75 inches Weight: 0.50 lbs Included Accessories: Lens Cover Lens Cloth