1 High Definition Recording: This 5MP lens delivers high definition, sharp videos and images, even in poorly lit environments. 2 Fixed Focus Lens: The universal prime lens can objectively record and reflect the speed and rhythm changes of the subject, which is very suitable for monitoring babies, pets, etc. 3 Fast and Secure Connection: The standard M12 thread ensures a quick and secure connection, significantly enhancing the device's reliability and performance. 4 Easy Installation: The lens is designed for easy installation and disassembly, which doesn't compromise the installation and use of other accessories. 5 Optical Parameters: The fisheye lens has 1.8mm focal length, F2.0 relative aperture, M12 x 0.5 interface, 180 field of view, 1/3 image size.Item Type: 1.8mm Fisheye Lens
Model: CW BL1820 5MP 1
Pixels: 5MP
Focal Length: 1.8mm
Relative Aperture: F2.0
Interface: M12x0.5
Image Size: 1/3
Field of View: 180
Dimensions: Approx. 20x19.9mm / 0.79x0.78in
Optical Back Focal Length: 6.3mm
Mechanical Back Focal Length: 3.8mm

What's in the box
1 x 1.8mm Fisheye Lens