Appendices
E: Field of View Specifications
The following reference charts represent the size of your field of view and angle of view from various distances and magnifications, and with different lenses.
Standard Lens: 12x zoom (f.l. = 5.4 to 64.8mm):
Distance from Lens | No Zoom | Full Zoom | ||
(feet) | Horizontal (ft) | Vertical (ft) | Horizontal (ft) | Vertical (ft) |
10 | 9.07 | 6.81 | .75 | .58 |
15 | 13.61 | 10.21 | 1.13 | .86 |
20 | 18.14 | 13.62 | 1.50 | 1.15 |
25 | 22.68 | 17.02 | 1.88 | 1.44 |
30 | 27.22 | 20.43 | 2.25 | 1.73 |
35 | 31.75 | 23.83 | 2.63 | 2.02 |
40 | 36.29 | 27.23 | 3.00 | 2.30 |
45 | 40.83 | 30.64 | 3.38 | 2.59 |
50 | 45.36 | 34.04 | 3.75 | 2.88 |
55 | 49.90 | 37.45 | 4.13 | 3.17 |
60 | 54.43 | 40.85 | 4.51 | 3.46 |
65 | 58.97 | 44.26 | 4.88 | 3.74 |
70 | 63.51 | 47.66 | 5.26 | 4.03 |
Angle of View | 48.8° | 37.6° | 4.3° | 3.3° |
9.07 ft
6.81 ft
10 feet
18.14 ft
13.62 ft
Example of distance's impact on field of view taken from a standard lens table (10 feet and 20 feet)
20 feet
Wide Angle Lens Adapter: 0.65x (f.l. = 3.4 to 42.1 mm):
moo | m |
ooo
n zz
Distance from Lens | No Zoom | Full Zoom | ||
(feet) | Horizontal (ft) | Vertical (ft) | Horizontal (ft) | Vertical (ft) |
10 | 14.28 | 10.33 | 1.16 | 0.88 |
15 | 21.42 | 15.49 | 1.74 | 1.32 |
20 | 28.56 | 20.65 | 2.32 | 1.76 |
25 | 35.70 | 25.82 | 2.90 | 2.20 |
30 | 42.84 | 30.98 | 3.48 | 2.64 |
35 | 49.98 | 36.15 | 4.05 | 3.07 |
40 | 57.12 | 41.31 | 4.63 | 3.51 |
45 | 64.26 | 46.47 | 5.21 | 3.95 |
50 | 71.40 | 51.64 | 5.79 | 4.39 |
55 | 78.53 | 56.80 | 6.37 | 4.83 |
60 | 85.67 | 61.96 | 6.95 | 5.27 |
65 | 92.81 | 67.13 | 7.53 | 5.71 |
Above – Vertical angle of view Below – Horizontal angle of view
no zoom =
wide angle (more scenery, less specific detail)
zoom = narrow angle (less scenery, more specific detail)
70 |
|
|
| 99.95 | 72.29 | 8.11 | 6.15 | |||||||||
| Angle of View | 71.05° | 54.62° | 6.63° | 5.03° | |||||||||||
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zoom
no zoom
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