Seven,hemisphere vidicon(small lens type)
CMOS chip:COLOR  SHARP 1/3"                                                    COLOR SHARP1/4"       Optional                                                                                                               B&W  LG 1/3"                 Optional                                                           B&W  SONY 1/3"           Optional
Parameter:1.0LUX/0.8LUX/ 0.03LUX   420TV  
3.6mm\6mm\8mm optional