Image Sizes
| Camera |
SW (mm) |
SH (mm) |
PS (microns) |
PAS f/10 (arcsec) |
IW f/10 (arcmin) |
IH f/10 (arcmin) |
| Canon EOS 350 D |
22.2 |
14.8 |
6.4 |
0.53 |
30.54 |
20.36 |
| Philips ToUcam Pro |
3.9 |
2.8 |
5.6 |
0.46 |
5.32 |
3.88 |
| Meade LPI |
5.2 |
3.9 |
8.0 |
0.66 |
7.13 |
5.36 |
| Philips Vesta Pro SC4.1 |
7.5 |
6.2 |
9.9 |
0.82 |
10.29 |
8.46 |
| iXon DU-888 |
13.3 |
13.3 |
13 |
1.07 |
18.3 |
18.3 |
| iXon DV-885 |
8 |
8 |
8 |
0.66 |
11. |
11. |
| C14 |
8.8 |
6.6 |
6.45 |
0.53 |
12.11 |
9.08 |
| SBIG STL-1001E |
24.6 |
24.6 |
24 |
1.98 |
33.84 |
33.84 |
| SBIG ST-10XME |
14.9 |
10 |
6.8 |
0.56 |
20.5 |
13.76 |
| Canon EOS 5D |
35.8 |
23.9 |
8.2 |
0.68 |
49.25 |
32.88 |
| Legend |
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| SW = Sensor Width |
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| SH = Sensor Height |
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| PS = Pixel Size |
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| PAS = Pixel Angular Size |
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| IW = Image Width |
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| IH = Image Height |
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| All Values Computed for a Mirror Diameter of 250 mm (10") |
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| Formulas |
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| PAS = 206.26 * PS / (250 * f ratio) |
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| IW = 3439 * SW/ (250 * f ratio) |
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| IH = 3439 * SH/ (250 * f ratio) |
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| f_ratio |
40 |
10 |
20 |
6.5 |
5 |
30 |
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40 |
10 |
20 |
6.5 |
5 |
30 |
|
40 |
10 |
20 |
6.5 |
5 |
30 |
|
40 |
10 |
20 |
6.5 |
5 |
30 |
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40 |
10 |
20 |
6.5 |
5 |
30 |
|
40 |
10 |
20 |
6.5 |
5 |
30 |
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40 |
10 |
20 |
6.5 |
5 |
30 |
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40 |
10 |
20 |
6.5 |
5 |
30 |
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40 |
10 |
20 |
6.5 |
5 |
30 |
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40 |
10 |
20 |
6.5 |
5 |
30 |
| Camera |
PAS f/20 (arcsec) |
IW f/20 (arcmin) |
IH f/20 (arcmin) |
PAS f/5 (arcsec) |
IW f/5 (arcmin) |
IH f/5 (arcmin) |
| Canon EOS 350 D |
0.26 |
15.27 |
10.18 |
1.06 |
61.08 |
40.72 |
| Philips ToUcam Pro |
0.23 |
2.66 |
1.94 |
0.92 |
10.65 |
7.76 |
| Meade LPI |
0.33 |
3.56 |
2.68 |
1.32 |
14.25 |
10.73 |
| Philips Vesta Pro SC4.1 |
0.41 |
5.14 |
4.23 |
1.63 |
20.58 |
16.92 |
| iXon DU-888 |
0.54 |
9.15 |
9.15 |
2.15 |
36.59 |
36.59 |
| iXon DV-885 |
0.33 |
5.5 |
5.5 |
1.32 |
22.01 |
22.01 |
| C14 |
0.27 |
6.05 |
4.54 |
1.06 |
24.21 |
18.16 |
| SBIG STL-1001E |
0.99 |
16.92 |
16.92 |
3.96 |
67.68 |
67.68 |
| SBIG ST-10XME |
0.28 |
10.25 |
6.88 |
1.12 |
40.99 |
27.51 |
| Canon EOS 5D |
0.34 |
24.62 |
16.44 |
1.35 |
98.49 |
65.75 |
| Camera |
PAS f/30 (arcsec) |
IW f/30 (arcmin) |
IH f/30 (arcmin) |
PAS f/40 (arcsec) |
IW f/40 (arcmin) |
IH f/40 (arcmin) |
| Canon EOS 350 D |
0.18 |
10.18 |
6.79 |
0.13 |
7.63 |
5.09 |
| Philips ToUcam Pro |
0.15 |
1.77 |
1.29 |
0.12 |
1.33 |
0.97 |
| Meade LPI |
0.22 |
2.38 |
1.79 |
0.17 |
1.78 |
1.34 |
| Philips Vesta Pro SC4.1 |
0.27 |
3.43 |
2.82 |
0.2 |
2.57 |
2.11 |
| iXon DU-888 |
0.36 |
6.1 |
6.1 |
0.27 |
4.57 |
4.57 |
| iXon DV-885 |
0.22 |
3.67 |
3.67 |
0.17 |
2.75 |
2.75 |
| C14 |
0.18 |
4.04 |
3.03 |
0.13 |
3.03 |
2.27 |
| SBIG STL-1001E |
0.66 |
11.28 |
11.28 |
0.5 |
8.46 |
8.46 |
| SBIG ST-10XME |
0.19 |
6.83 |
4.59 |
0.14 |
5.12 |
3.44 |
| Canon EOS 5D |
0.23 |
16.42 |
10.96 |
0.17 |
12.31 |
8.22 |