4 models of private wide angle 130/155/170 degrees horizontally without dark corner shade has just come .
It is really meaningfully wide angle and no shade at all .It is customized design and chips to match .
They can support Analog CMOS&CCD 600TVL, AHD 1.0MP/1.3MP chip.
They takes more procedure and time on production .Most normal wide angle cameras has dark corner shade in the market ,most have only 80-100 degrees horizontally.
Welcome you to test .