We strongly suggest a competitive industrial lenses, machine vision  lens with following character which is a outstanding data comparing with other suppliers.

Resolution: 8.0 Megapixel industrial lens
Format : 2/3"
Aperture : F1.4  (Its true F1.4 big aperture, please see others are mostly F1.6, F2.5 or F2.8 which are too small iris and lower cost)
Focal length: 12mm
Distortion : -0.1% (Distortion is very very important for a machine vision lenss )

To definite a good or bad lenses by following info.

*** F1.4 is far better than F1.8 and F2.8
*** -0.1% is better than 1% or big number, which reflect a actual imaging

Please take care of above suggestions when choosing a lens, but not only depend on price

More technical questions at megapixel lenses, cctv lenses, lente, please contact us by
Skype: soyocctv
E-Mail: sales@soyocctv.com