Tesoo m12 board lens can increase the C port so that you can connect the M12 interface camera to the driving recorder. The sensor size of m12 board lens is 1/1.8''and 1/4''. TTL: 14-30mm. EFL: 1.26-16mm. F.NO: 1.0/2.0/2.2/2.4/2.8/4.8/ 6.0. MBFL: 1.84-6.30mm. Get board camera lens price now!