Atibal CM3 Compact Magnifier Black. The compact 3x magnification allows for rapid target acquisition while the slim quick release mount makes it easy to quickly flip to the side with a simple press of the release button. The patented mount flip design provides a non-intrusive slim profile that reduces weight can easily flip to the side with ease and the optically crisp lens provides a clear view of your target. The CM3 is an excellent choice for anyone who desires a compact lightweight and versatile magnifier for their red dot sight or holographic sight. Specifications for Atibal CM3 Compact Magnifier: Manufacturer: Atibal Magnification: 3 x Objective Lens Diameter: 22 mm Eye Relief: 3 in Length: 2.72 in Weight: 8.2 oz Field of View Linear: 36.7 ft at 100 yds Fabric/Material: Aircraft Grade Aluminum Width: 1.77 in Height: 1.42 in Color: Black Operating Temperature: -20 - 40 Celsius Exit Pupil: 6 mm Water Resistance Level: Waterproof Mount Type: Side Mount Package Contents: Atibal CM3 Compact Magnifier Atibal AT-CM3: CM3 Compact Magnifier Black