https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
IR Lens 12-30mm with auto iris and 1/2 inch format

IR Lens 12-30mm with auto iris and 1/2 inch format

Fuzhou Focusafe Optoelectronic Technology Co.,Ltd.
Region: China
Update: 07/01/2013
Key Specifications
Model No. :FS1230VDIR

Description:Mega Pixel IR Varifocal Auto Iris CCTV Lens 12-30mm

Focal Length:12-30mm

Aperture:F1.6-360°

Image Format: 1/2"

Mount: CS

Angle of View:29°2′-12°3′

Minimum Object Distance:0.3m

Back Focal Length:5.3-13.3mm

Dimension:Φ32(D)*47.2(H)*55.6(L)

Weight :105g

https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions