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监控摄像头镜头可视角度表镜头焦距搭配1/3 CCD搭配1/4 CCD二者的角度差异镜头定焦距离2.1 mm11094.315.73米2.8 mm89.975.614.35米3.6 mm75.762.213.56米4 mm69.957.012.98米6 mm50.039.810.211米8 mm38.530.48.118米12 mm26.220.55.730米16 mm19.815.44.450米25 mm10.68.32.380米监控摄像头镜头可视距离表镜头焦距 (毫米数)距离5米 (宽高)距离10米 (宽高)距离15米 (宽高)距离20米 (宽高)距离30米 (宽高)2.8mm139.8米2619.5米3929.3米5239米7858.5米3.6mm8.56.4米1712.8米25.519米3425.5米5138.3米4mm86米1612米2418米3224米4836米6mm5.54.1米118.3米16.512.4米2216.5米3324.8米8mm3.52.6米75.3米10.57.9米1410.5米2115.8米12mm21.5米43米64.5米86米129米16mm1.51.1米32.3米4.53.4米64.5米96.8米25mm1.31米2.51.9米3.82.9米53.8米7.55.6米
