常用摄像机镜头的角度：
简单的说，摄像机的镜头数值越大，看得越远、越窄；摄像机镜头的数值越小，看得越近、越宽。
镜头焦距(mm) | 1/3"芯片左右 | 1/3"芯片上下 | 1/4"芯片左右 | 1/4"芯片上下 |
2.5mm | 96.4° | 86.2 ° | 81.9° | 72.9° |
2.8mm | 89.9° | 79.8° | 75.6° | 66.8° |
3.6mm | 75.7° | 66° | 62.2° | 54.3° |
4mm | 69.9° | 60.7° | 57° | 49.5° |
6mm | 50° | 42.6° | 39.8° | 34.2° |
8mm | 38.5° | 32.6° | 30.4° | 26° |
12mm | 26.2° | 22.1° | 20.5° | 17.5° |
16mm | 19.8° | 16.6° | 15.4° | 13.2° |
30mm | 10.6° | 8.9° | 8.3° | 7° |
60mm | 5.3° | 4.5° | 4.1° | 3.5° |
100mm | 3.2° | 2.7° | 2.5° | 2.1° |
200mm | 1.6° | 1.3° | 1.2° | 1.1° |
常用摄像机镜头的广角范围：
焦距 | 规格 | 角度 |
2.1 mm小镜头 | 1/3 | 150° |
2.5 mm小镜头 | 1/3 | 130° |
2.8 mm小镜头 | 1/3 | 115° |
2.8 mm固定光圈 | 1/3 | 115° |
2.8 mm | 1/3 | 96° |
4 mm | 1/3 | 78° |
6 mm | 1/3 | 53° |
8 mm | 1/3 | 40° |
12 mm | 1/3 | 23° |
16 mm | 1/3 | 17° |
3.5-8 mm | 1/3 | 96°- 45° |
6-15 mm | 1/3 | 54°- 23° |
6-36mm 电动变倍镜头 | 1/3 | 51°- 9° |
8.5-51mm 电动变倍镜头 | 1/3 | 57°- 10° |
6-60mm 电动变倍镜头 | 1/3 | 52°- 6° |
