Varifocal CS Mount Lens

Focal Lenth 1.6~3.4mm 3.0~8.0mm 2.8-12mm 4.0~16.0mmBack Focal Length 7.1~11.6mm 8.7~14.37mm 9.75~20.46mm 7.0~16.2mmFormat 1/3" , 1/4" 1/3" , 1/4" 1/3" , 1/4" 1/3" , 1/4"Aperture F1.4~close F1.4~close F1.4~close F1.4~closeAngle of View 1/3" 1/3" 1/3" 1/3" 183.9? ~98.0? 118.7? ~44.1? 134.0? ~32.0? 79.3? ~22.2? 172.2? ~77.8? 93.4? ~34.6? 99.8? ~25.0? 65.4? ~17.8? 126.2? ~58.1? 68.7? ~26.0? 72.5? ~18.7? 49.6? ~13.3? 1/4" 1/4" 1/4" 1/4" 167.5? ~74.5? 89.1? ~33.0? 92.7? ~23.4? 61.5? ~16.7? 126.2? ~58.1? 68.7? ~25.8? 72.5? ~18.8? 49.6? ~13.3? 92.9? ~43.4? 50.9? ~19.4? 53.5? ~14.0? 37.3? ~10.0?Dimension (?)x(L) 40 x 52mm 35.4 x 59mm 34.4 x 61mm 34 x 55mmWeight 95g 77.2g 100g 67g