https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
2 Mega Pixel CCTV Lens 4-10mm with auto iris and C Mount Lens

2 Mega Pixel CCTV Lens 4-10mm with auto iris and C Mount Lens

Fuzhou Focusafe Optoelectronic Technology Co.,Ltd.
Region: China
Update: 07/01/2013
Key Specifications
Model No. :FS0410VDCMP

Description:Mega Pixel Varifocal Auto Iris CCTV Lens 4-10mm IR

Focal Length:4-10mm

Aperture:F1.6

Image Format: 1/2"

Mount: C

Angle of View:87°3′-44°5′

Minimum Object Distance:0.2m

Back Focal Length:7.4-11.6mm

Dimension:Φ36(D)*47.3(H)*50(L)

Weight :95g

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