The SUPERIOR SP0412MIR2MP Manual Iris IR-corrected Lens (4.0-12mm, 4.2X Zoom) is designed for use with 1/2" format cameras. It has a wide aperture range of f/1.6 - 360° And offers detailed imagery even at low light intensity. In addition, the high-quality glass optics lens has a broad range of focal length that ranges from 4.0 to 12mm.
The IR-corrected varifocal lens delivers clear images by eliminating focus shift and infrared bleed. It has an auto-iris DC operation and features a minimum object distance of 0.1m. Its compact design 32 x 49.5mm allows you to install the unit effortlessly in to small domes and outdoor camera enclosures. With lock screws, you can easily make focus adjustments for correct exposures. The SP0412MIR2MP MagaPixel Manual Iris Lens is equipped with a CS-mount.
3.0Mega Pixel 1/2.7" 4-12mm Manual Iris IR Lens
Feature:

1. Good optical design, good image quality, flat image at corner and central area.

2.4-12mm Focal length, Suitable for many kinds of places

3. CS Mount, F1.6, 1/2"

4. Suitable for Mega Pixel camera, IPcamera, HD Camera, high resolution camera etc.