Specifications:

• 2.1mm standard board security camera lens
• The 2.1mm board lens provides a standard field of view which is ideally suited for most installations
• A 2.1mm lens will bring you closer to the action than a wide angle lens, and when used with an IR camera, it will not cause glare from the IR light
• All IR camera manufacturers recommend using a 2.1mm standard board lens or higher for use with their IR cameras
• Easy to Install, replacement lens easily threads in after removal of the previous lens is removed
• Focal Length: 2.1mm  
• Mount: 12 x 0.5mm / 0.47 x 0.019in (Dia. x H)
• Aperture: 2
• Matching Chip: 1/3"
• Feild: Security monitor
• Color: Black
• Size: 17×17.5mm / 0.67 x 0.69in (Dia. x H)

Package Included:

• 1 x 2.1mm Board Lens