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X=半径 |
Y=深さ |
F=焦点 |
Y=x^2/(4F)より |
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F=X^2/(4Y) |
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|
X(cm) |
Y(cm) |
F(cm) |
|
f/D |
|
X(cm) |
Y(cm) |
F(cm) |
|
f/D |
|
X(cm) |
Y(cm) |
F(cm) |
|
f/D |
|
170 |
10 |
722.50 |
|
2.125 |
|
150 |
10 |
562.50 |
|
1.875 |
|
120 |
10 |
360.00 |
|
1.500 |
|
170 |
15 |
481.67 |
|
1.417 |
|
150 |
15 |
375.00 |
|
1.250 |
|
120 |
15 |
240.00 |
|
1.000 |
|
170 |
20 |
361.25 |
|
1.063 |
|
150 |
20 |
281.25 |
|
0.938 |
|
120 |
20 |
180.00 |
|
0.750 |
|
170 |
25 |
289.00 |
|
0.850 |
|
150 |
25 |
225.00 |
|
0.750 |
|
120 |
25 |
144.00 |
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0.600 |
|
170 |
30 |
240.83 |
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0.708 |
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150 |
30 |
187.50 |
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0.625 |
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120 |
30 |
120.00 |
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0.500 |
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170 |
35 |
206.43 |
|
0.607 |
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150 |
35 |
160.71 |
|
0.536 |
|
120 |
35 |
102.86 |
|
0.429 |
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170 |
40 |
180.63 |
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0.531 |
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150 |
40 |
140.63 |
|
0.469 |
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120 |
40 |
90.00 |
|
0.375 |
|
170 |
45 |
160.56 |
|
0.472 |
|
150 |
45 |
125.00 |
|
0.417 |
|
120 |
45 |
80.00 |
|
0.333 |
|
170 |
50 |
144.50 |
|
0.425 |
|
150 |
50 |
112.50 |
|
0.375 |
|
120 |
50 |
72.00 |
|
0.300 |
|
170 |
55 |
131.36 |
|
0.386 |
|
150 |
55 |
102.27 |
|
0.341 |
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120 |
55 |
65.45 |
|
0.273 |
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170 |
60 |
120.42 |
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0.354 |
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150 |
60 |
93.75 |
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0.313 |
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120 |
60 |
60.00 |
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0.250 |
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170 |
65 |
111.15 |
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0.327 |
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150 |
65 |
86.54 |
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0.288 |
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120 |
65 |
55.38 |
|
0.231 |
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170 |
70 |
103.21 |
|
0.304 |
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150 |
70 |
80.36 |
|
0.268 |
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120 |
70 |
51.43 |
|
0.214 |
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170 |
75 |
96.33 |
|
0.283 |
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150 |
75 |
75.00 |
|
0.250 |
|
120 |
75 |
48.00 |
|
0.200 |
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170 |
80 |
90.31 |
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0.266 |
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150 |
80 |
70.31 |
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0.234 |
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120 |
80 |
45.00 |
|
0.188 |
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170 |
85 |
85.00 |
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0.250 |
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150 |
85 |
66.18 |
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0.221 |
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120 |
85 |
42.35 |
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0.176 |
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170 |
90 |
80.28 |
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0.236 |
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150 |
90 |
62.50 |
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0.208 |
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120 |
90 |
40.00 |
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0.167 |
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170 |
95 |
76.05 |
|
0.224 |
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150 |
95 |
59.21 |
|
0.197 |
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120 |
95 |
37.89 |
|
0.158 |
|
170 |
100 |
72.25 |
|
0.213 |
|
150 |
100 |
56.25 |
|
0.188 |
|
120 |
100 |
36.00 |
|
0.150 |
|
170 |
105 |
68.81 |
|
0.202 |
|
150 |
105 |
53.57 |
|
0.179 |
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120 |
105 |
34.29 |
|
0.143 |
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170 |
110 |
65.68 |
|
0.193 |
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150 |
110 |
51.14 |
|
0.170 |
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120 |
110 |
32.73 |
|
0.136 |
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170 |
115 |
62.83 |
|
0.185 |
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150 |
115 |
48.91 |
|
0.163 |
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120 |
115 |
31.30 |
|
0.130 |
|
170 |
120 |
60.21 |
|
0.177 |
|
150 |
120 |
46.88 |
|
0.156 |
|
120 |
120 |
30.00 |
|
0.125 |
|
170 |
125 |
57.80 |
|
0.170 |
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150 |
125 |
45.00 |
|
0.150 |
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120 |
125 |
28.80 |
|
0.120 |
|
170 |
130 |
55.58 |
|
0.163 |
|
150 |
130 |
43.27 |
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0.144 |
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120 |
130 |
27.69 |
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0.115 |
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170 |
135 |
53.52 |
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0.157 |
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150 |
135 |
41.67 |
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0.139 |
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120 |
135 |
26.67 |
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0.111 |
|
350 |
87.5 |
350.00 |
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0.500 |
|
350 |
87.5 |
350.00 |
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0.500 |
|
350 |
87.5 |
350.00 |
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0.500 |
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