https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
2.8-12mm cctv camera lens with manual iris

2.8-12mm cctv camera lens with manual iris

Fuzhou STAT CCTV Co., Ltd,
Region: China
Update: 09/21/2007
Key Specifications
GU-02812MV

Iris Type: Manual Iris

Focal Length (mm): 2.8-12

Horizontal Field of View (): 103.0-25.0

Min. Object Distance (m): 0.3

Aperture: 1.4-360

Mount: CS

Image Format: 1/3"

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