摄像机购买时角度选择介绍
【摘要】 摄像机购买时角度选择介绍 伟创安防 www.af173.com
|
镜头焦距 |
搭配1/3" CCD |
搭配1/4" CCD |
二者差的异性 |
|
2.8 mm |
89.9° |
75.6° |
14.3° |
|
3.6 mm |
75.7 ° |
62.2° |
13.5° |
|
4 mm |
69.9 ° |
57.0° |
12.9° |
|
6 mm |
50.0 ° |
39.8° |
10.2° |
|
8 mm |
38.5 ° |
30.4° |
8.1° |
|
12 mm |
26.2 ° |
20.5° |
5.7° |
|
16 mm |
19.8 ° |
15.4° |
4.4° |
|
25 mm |
10.6 ° |
8.3° |
2.3° |
|
60 mm |
5.3 ° |
4.1° |
|
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