大量供应1.9mm车载后视广角镜头1/4ccd product name:kh1.9mm specification: 1.sensor size 1/3cctv 2.wavelength λ= 3.focal length(efl) f= 1.9 mm 4.f/no(infinite) f/no= 5.back focal length bfl= mm 6.flange back length fb= mm 7.field of view(diagonal) = 170o 8.optical disitorion(diagonal) 9.thread size 10.element 5g 联系人:李先生 电话:189 2848 1666