Dear lady or sir: Founded in 1989, our company,Fuzhou Feihua Optoelectronic Technology Co.,Ltd is one of the leading manufacturers of security products,which mainly consist of CCTV lenses in China. We offer various kinds of CCTV lenses of good quality but at very competitive price. OEM/ODM is also welcome. Our main products inclueds five types of CCTV lenes as follows(just list only one example for each type): 1. Monofocal&Fixed-iris lens; 2. Monofocal&Vari-iris lens; 3. Manual & Auto Vari-iris, Manual Vari-focal Lens 4. Motorized zoom lens(vari-iris,vari-focal lens); 5. Manual&Auto vari-iris,Manual vari-focal lens(D:DC control,V:Video control) For more information, Please kindly visit our website: . FH03508MD DC Auto Vari-iris & Manual Vari-focal Lens * Focal length:3.5mm~8.0mm * Manual Vari-focal * DC Auto-iris focus * Image format：1/3 inch * Relative aperture：1.4mm * Angel of view：95°27′~44°35′ * CS mount * Minimum object distance：0.3 m * Net weight：95 g * Size：Ф45?5