AGM Global Vision Afocal Magnifier Lens Assembly 3X Black 2.5x3. The AGM afocal lenses incorporate very fast optics and perfect field of view. Ideal for long range observation. Afocal lens by AGM is simple and quick to install in front of existing front lens of night vision device for instant visual enhancement. To mount the afocal lens to the device screw it into the threading of the standard 1X objective lens. Specifications for AGM Global Vision Afocal Magnifier Lens Assemblies: Manufacturer: AGM Global Vision Color: Black Fabric/Material: Aluminum Plastic Water Resistance Level: Waterproof Water Resistant Mark: 1 m Quantity: 1 Package Contents: AGM Global Vision Afocal Magnifier Lens Assemblies Lens Adapter Soft Carry Case Manual AGM Global Vision 61023XA1: Afocal Magnifier Lens Assembly 3X Black 2.5x3