| Comm-Co 1/3" CCTV Lens Chart | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Wide Angle Telephoto |
Lens Focal Length | Distance between CCTV Video Camera and surveillance area | ||||||||||||||
| Camera's Viewing Angle | 5' (1.5m) | 10' (3.0m) | 15' (4.6m) | 25' (7.6m) | 50' (15.2m) | 100' (30.5m) | ||||||||||
| mm | Horiz.° | Vert.° | Diag.° | H area | V area | H area | V area | H area | V area | H area | V area | H area | V area | H area | V area | |
| 2.80 | 109° | 82° | 136° | 14.0' (4.3m) | 10.5' (3.2m) | 28.0' (8.5m) | 21.0' (6.4m) | 42.0' (12.8m) | 31.5' (9.6m) | 70' (21.3m) | 52.5' (16m) | 140' (42.7m) | 105' (32m) | 280' (85.4m) | 210' (64m) | |
| 2.97 | 104° | 78° | 130° | 12.3' (3.8m) | 9.6' (2.9m) | 24.6' (7.5m) | 19.2' (5.9m) | 36.9' (11.3m) | 28.8' (8.8m) | 61.5' (18.8m) | 48' (14.6m) | 123' (37.5m) | 96' (29.3m) | 246' (75m) | 192' (58.5m) | |
| 3.60 | 74° | 56° | 92° | 7.5' (2.3m) | 5.7' (1.7m) | 15.0' (4.6m) | 11.4' (3.5m) | 22.5' (6.9m) | 17.1' (5.2m) | 37.5' (11.4m) | 28.5' (8.7m) | 75' (22.9m) | 57' (17.4m) | 150' (45.7m) | 114' (34.8m) | |
| 3.70 | 72° | 54° | 90° | 7.3' (2.2m) | 5.5' (1.7m) | 14.6' (4.5m) | 11.0' (3.4m) | 21.9' (6.7m) | 16.5' (5.0m) | 36.5' (11.1m) | 27.5' (8.4m) | 73' (22.3m) | 55' (16.8m) | 146' (44.5m) | 110' (33.5m) | |
| 4.0 | 67° | 50° | 83° | 6.6' (2m) | 5.0' (1.5m) | 13.2' (4m) | 10.0' (3m) | 19.8' (6m) | 15.0' (4.6m) | 33' (10.1m) | 25' (7.6m) | 66' (20.1m) | 50' (15.2m) | 132' (40.2m) | 100' (30.5m) | |
| 4.30 | 63° | 47° | 78° | 6.1' (1.9m) | 4.6' (1.4m) | 12.2' (3.7m) | 9.2' (2.8m) | 18.3' (5.6m) | 13.8'(4.2m) | 30.5' (9.3m) | 23' (7m) | 61' (18.6m) | 46' (14m) | 122' (37.2m) | 92' (28m) | |
| 5.0 | 50° | 38° | 64° | 4.7' (1.4m) | 3.5' (1.1m) | 9.4' (2.9m) | 7.0' 2.1m) | 14.1' (4.3m) | 10.5' (3.2m) | 23.5' (7.2m) | 17.5' (5.3m) | 47' (14.3m) | 35' (10.7m) | 94' (28.7m) | 70' (21.3m) | |
| 6.0 | 42° | 32° | 53° | 3.8' (1.2m) | 2.9' (0.9m) | 7.6' (2.3m) | 5.8' (1.8m) | 11.4' (3.5m) |
8.7' (2.7m) |
19' (5.8m) | 14.5 (4.4m) | 38' (11.6m) | 29' (8.8m) | 76' (23.2m) | 58' (17.7m) | |
| 8.0 | 32° | 24° | 40° | 2.9' (0.9m) | 2.2' (0.7m) | 5.8' (1.8m) | 4.4' (1.3m) | 8.7' (2.7m) | 6.6' (2m) | 14.5' (4.4m) | 11' (3.4m) | 29' (8.8m) | 22' (6.7m) | 58' (17.7) | 44' (13.4m) | |
| 12.0 | 22° | 16° | 28° | 1.9' (0.6m) | 1.5' (0.5m) | 3.8' (1.2m) | 2.8' (0.9m) | 5.7' (1.7m) | 4.5' (1.4m) | 9.5' (2.9m) | 7.5' (2.3m) | 19' (5.8m) | 15' (4.6m) | 38' (11.6m) | 28' (8.5m) | |
| 16.0 | 16° | 12° | 21° | 1.4' (0.4m) | 1.1' (0.3m) | 2.8' (0.9m) | 2.2' (0.7m) | 4.2' (1.3m) | 3.3' (1m) | 7' (2.1m) | 5.5' (1.7m) | 14' (4.3m) | 11' (3.4m) | 28' (8.5m) | 22' (6.7m) | |
| 25.0 | 11° | 8.4° | 14° | 1.0' (0.3m) | 0.7' (0.2m) | 2.0' (0.6m) | 1.4' (0.4m) | 3.0' (0.9m) | 2.1' (0.6m) | 5' (1.5m) | 3.5' (1.1m) | 10' (3m) | 7' (2.1m) | 20' (6.1m) | 14' (4.3m) | |
| 50.0 | 5.5° | 4.2° | 7° | 0.4' (0.1m) | 0.3' (0.1m) | 0.8' (0.2m) | 0.6' (0.2m) | 1.2' (0.4m) | 0.9' (0.3m) | 2' (0.6m) | 1.5' (0.5m) | 4.0' (1.2m) | 3' (0.9m) | 8' (2.4m) | 6' (1.8m) | |
