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Aperture 光圈 |
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Shutter Speed 快門速度 |
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Depth of Field景深 |
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Color Tempature 色溫 |
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| 光源 |
色溫(K) |
| 晴朗藍天 |
10000 – 20000 |
| 藍天白雲 |
8000 – 10000 |
| 陰天 |
7000 |
| 早晨或下午的陽光 |
4000 – 5000 |
| 黎明、黃昏 |
2000 – 3000 |
| 電子閃光燈 |
5500 |
| 攝影棚燈 |
3400 |
| 石英燈 |
3300 |
| 鎢絲燈 |
3200 |
| 150W 家用電燈泡 |
2800 |
| 燭光 |
1930 |
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Angle of View (diagonal) 視角(對角) |
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Common lens angles of view
This table shows the diagonal, horizontal, and vertical angles of view, in degrees, for lenses producing rectilinear images, when used with 36 mm × 24 mm format (that is, 135 film or full-frame 35mm digital)
| Focal Length (mm) |
13 |
15 |
18 |
21 |
24 |
28 |
35 |
50 |
85 |
105 |
| Diagonal (°) |
118 |
111 |
100 |
91.7 |
84.1 |
75.4 |
63.4 |
46.8 |
28.6 |
23.3 |
| Vertical (°) |
85.4 |
77.3 |
67.4 |
59.5 |
53.1 |
46.4 |
37.8 |
27.0 |
16.1 |
13.0 |
| Horizontal (°) |
108 |
100.4 |
90.0 |
81.2 |
73.7 |
65.5 |
54.4 |
39.6 |
23.9 |
19.5 |
| Focal Length (mm) |
135 |
180 |
210 |
300 |
400 |
500 |
600 |
830 |
1200 |
| Diagonal (°) |
18.2 |
13.7 |
11.8 |
8.25 |
6.19 |
4.96 |
4.13 |
2.99 |
2.07 |
| Vertical (°) |
10.2 |
7.63 |
6.54 |
4.58 |
3.44 |
2.75 |
2.29 |
1.66 |
1.15 |
| Horizontal (°) |
15.2 |
11.4 |
9.80 |
6.87 |
5.15 |
4.12 |
3.44 |
2.48 |
1.72 |
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Sensor Size 感光元件尺寸 |
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