使用标准透镜时
屏幕尺寸(英寸) | 80 | 100 | 120 | 150 | 180 | 200 | 250 | 300 | |
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a’ | 最小 | 3350 | 4130 | 4900 | 6070 | 7230 | 8000 | 9940 | 11880 |
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| 最大 | 4140 | 5110 | 6080 | 7530 | 8990 | 9960 | 12380 | 14810 |
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| x | b+693 | b+846 | b+998 | b+1227 | b+1455 | b+1608 | b+1989 | b+2370 |
b
使用调节管(b):150/175/200 mm 使用调节管(c):250/275/300 mm
屏幕尺寸(英寸) | 80 | 100 | 120 | 150 | 180 | 200 | 250 | 300 | |
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a” | 最小 | 3110 | 3880 | 4660 | 5820 | 6980 | 7760 | 9690 | 11630 |
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| 最大 | 3890 | 4860 | 5830 | 7290 | 8740 | 9710 | 12140 | 14560 |
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| x | b+693 | b+846 | b+998 | b+1227 | b+1455 | b+1608 | b+1989 | b+2370 |
b
使用调节管(b):150/175/200 mm 使用调节管(c):250/275/300 mm
计算方法(单位:mm) |
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a (最小) = {(SS ⋅ 37.138/0.98268) – 54.422} ⋅ 1.025 | a’ = a + 93.9+ 216.6 = a + 310.5 |
a (最大) = {(SS ⋅ 48.889/0.98268) – 53.731} ⋅ 0.975 | a” = a + 64.9 |
x = b + (SS/0.98268 ⋅ 7.488) + 83.8 |
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屏幕尺寸(英寸) | 80 | 100 | 120 | 150 | 180 | 200 | 250 | 300 | |
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a’ | 最小 | 5740 | 7130 | 8530 | 10610 | 12700 | 14100 | 17580 | 21060 |
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| 最大 | 8360 | 10400 | 12450 | 15510 | 18580 | 20620 | 25730 | 30840 |
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| x | b+693 | b+846 | b+998 | b+1227 | b+1455 | b+1608 | b+1989 | b+2370 |
b
使用调节管(b):150/175/200 mm 使用调节管(c):250/275/300 mm
屏幕尺寸(英寸) | 80 | 100 | 120 | 150 | 180 | 200 | 250 | 300 | |
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a” | 最小 | 5500 | 6890 | 8280 | 10370 | 12460 | 13850 | 17330 | 20810 |
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| 最大 | 8110 | 10160 | 12200 | 15270 | 18330 | 20380 | 25490 | 30590 |
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| x | b+693 | b+846 | b+998 | b+1227 | b+1455 | b+1608 | b+1989 | b+2370 |
b
使用调节管(b):150/175/200 mm 使用调节管(c):250/275/300 mm
计算方法(单位:mm) |
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a (最小) = {(SS ⋅ 67.077/0.98268) – 172.01} ⋅ 1.02 | a’ = a + 129.9 + 216.6 = a + 346.5 |
a (最大) = {(SS ⋅ 102.47/0.98268) – 166.84} ⋅ 0.98 | a” = a + 100.9 |
x = b + (SS/0.98268 ⋅ 7.488) + 83.8 |
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