Measurement of Twin Digital Camera Sync Phase Using the Sync Shepherd
Measurements show one half of a cycle, from in phase, to 180 degrees out of phase, then starting back in phase.
These measurements are based on sampling the video output of the cameras, and are an estimate of shutter sync.
Elapsed Time Sync Shepherd Out of Phase Out of Phase Out of Phase Out of Phase
(minutes) (volts) (%) (msec) (degrees) (fractional sec, 1/X)
0 0.456 0.02 0.00 0.04 271,560.00
0.5 0.491 0.79 0.13 1.43 7,543.33
1 0.527 1.59 0.27 2.86 3,771.67
1.5 0.562 2.36 0.39 4.25 2,537.94
2 0.6 3.20 0.53 5.76 1,872.83
2.5 0.636 3.99 0.67 7.18 1,500.33
3 0.672 4.79 0.80 8.61 1,251.43
3.5 0.71 5.62 0.94 10.12 1,064.94
4 0.748 6.46 1.08 11.63 926.83
5 0.823 8.11 1.35 14.61 737.93
5.5 0.861 8.95 1.49 16.11 668.87
6 0.899 9.79 1.63 17.62 611.62
7 0.978 11.53 1.93 20.76 519.24
8 1.053 13.19 2.20 23.73 454.11
9 1.129 14.86 2.48 26.75 402.91
10 1.205 16.54 2.76 29.77 362.08
11 1.285 18.30 3.06 32.94 327.18
12 1.361 19.98 3.34 35.96 299.74
13 1.439 21.70 3.62 39.05 275.98
14 1.517 23.42 3.91 42.15 255.71
15 1.596 25.16 4.20 45.29 238.00
16 1.665 26.68 4.46 48.02 224.43
17 1.751 28.58 4.77 51.44 209.54
18 1.83 30.32 5.06 54.57 197.50
19 1.909 32.06 5.35 57.71 186.77
20 1.988 33.80 5.64 60.84 177.14
21 2.06 35.39 5.91 63.70 169.20
22 2.148 37.33 6.23 67.20 160.40
23 2.227 39.07 6.52 70.33 153.25
24 2.466 44.34 7.40 79.82 135.04
25 2.387 42.60 7.11 76.68 140.56
26 2.466 44.34 7.40 79.82 135.04
27 2.546 46.11 7.70 82.99 129.87
28 2.626 47.87 7.99 86.17 125.09
30 2.787 51.42 8.59 92.56 116.45
32 2.949 54.99 9.18 98.99 108.89
36 3.274 62.16 10.38 111.89 96.33
38 3.437 65.76 10.98 118.36 91.07
40 3.599 69.33 11.58 124.79 86.37
42 3.763 72.94 12.18 131.29 82.09
44 3.924 76.49 12.77 137.68 78.28
46 4.05 79.27 13.24 142.69 75.54
48 4.22 83.02 13.86 149.43 72.13
50 4.38 86.55 14.45 155.78 69.19
51 4.47 88.53 14.78 159.36 67.64
52 4.55 90.30 15.08 162.53 66.32
53 4.63 92.06 15.37 165.71 65.04
54 4.71 93.83 15.67 168.88 63.82
55 4.79 95.59 15.96 172.06 62.64
56 4.88 97.57 16.29 175.63 61.37
56.5 4.92 98.46 16.44 177.22 60.82
57 4.96 99.34 16.59 178.80 60.28
57.5 4.98 99.78 16.66 179.60 60.01
58.5 4.89 97.79 16.33 176.03 61.23
59 4.85 96.91 16.18 174.44 61.79
59.5 4.81 96.03 16.04 172.85 62.36
60 4.77 95.15 15.89 171.26 62.93
62 4.6 91.40 15.26 164.52 65.52