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天文带通滤光片
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天文带通滤光片用于过滤和测量天文和天体发射的特定波段的光。鉴于传感器的响应，Johnson/Bessel 滤光片适合与光电倍增管一起使用，而 Kron/Cousin 滤光片则更适合与硅传感器一起使用。这两种类型的滤光片都是利用相同的紫外（U）、蓝光（B）和紫光（V）滤光片。 不过，红光（R）和红外（I）滤光片已经优化可与光电倍增管或硅CCD探测器一起使用。天文带通滤光片具有精确控制的厚度，以减少更换滤光片时常见的重新聚焦问题。
过滤和测量来自天体的光线
光度校准的理想选择
UBVRI 滤光片
产品
| 标题 | 产品编码 | Dia. (mm) | 尺寸 (mm) | CWL (nm) | FWHM (nm) | 滤光片类型 | 最小传输 (%) | 表面质量 | 厚度 (mm) | 类型 | 尺寸容差 (mm) |
| Astronomy Bandpass Filter, Kron-Cousins, Blue 50mm Dia. | 21-110 | 50.00 +0/-0.25 | 440.00 | 100.00 | Kron-Cousins, B | >55 | 60-40 | 5.00 ±0.1 | Bandpass Filter | ||
| Astronomy Bandpass Filter, Kron-Cousins, Violet 50mm Dia. | 21-111 | 50.00 +0/-0.25 | 520.00 | 90.00 | Kron-Cousins, V | >70 | 60-40 | 5.00 ±0.1 | Bandpass Filter | ||
| Astronomy Bandpass Filter, Kron-Cousins, Red 50mm Dia. | 21-112 | 50.00 +0/-0.25 | 630.00 | 250.00 | Kron-Cousins, R | >70 | 60-40 | 5.00 ±0.1 | Bandpass Filter | ||
| Astronomy Bandpass Filter, Kron-Cousins, IR 50mm Dia. | 21-113 | 50.00 +0/-0.25 | 900.00 | 175.00 | Kron-Cousins, I | >70 | 60-40 | 5.00 ±0.1 | Bandpass Filter | ||
| Astronomy Bandpass Filter, Kron-Cousins, UV 50 x 50mm | 21-115 | 50 x 50 | 365.00 | 60.00 | Kron-Cousins, U | >50 | 60-40 | 5.00 ±0.1 | Bandpass Filter | +0/-0.25 | |
| Astronomy Bandpass Filter, Kron-Cousins, Blue 50 x 50mm | 21-116 | 50 x 50 | 440.00 | 100.00 | Kron-Cousins, B | >55 | 60-40 | 5.00 ±0.1 | Bandpass Filter | +0/-0.25 | |
| Astronomy Bandpass Filter, Kron-Cousins, Violet 50 x 50mm | 21-117 | 50 x 50 | 520.00 | 90.00 | Kron-Cousins, V | >70 | 60-40 | 5.00 ±0.1 | Bandpass Filter | +0/-0.25 | |
| Astronomy Bandpass Filter, Kron-Cousins, Red 50 x 50mm | 21-118 | 50 x 50 | 630.00 | 250.00 | Kron-Cousins, R | >70 | 60-40 | 5.00 ±0.1 | Bandpass Filter | +0/-0.25 | |
| Astronomy Bandpass Filter, Kron-Cousins, IR 50 x 50mm | 21-119 | 50 x 50 | 900.00 | 175.00 | Kron-Cousins, I | >70 | 60-40 | 5.00 ±0.1 | Bandpass Filter | +0/-0.25 | |
| Astronomy Bandpass Filter, Johnson-Bessel, UV 25mm Dia. | 21-121 | 25.00 +0/-0.25 | 365.00 | 60.00 | Johnson-Bessel, U | >50 | 60-40 | 5.00 ±0.1 | Bandpass Filter | ||
| Astronomy Bandpass Filter, Johnson-Bessel, Blue 25mm Dia. | 21-122 | 25.00 +0/-0.25 | 440.00 | 100.00 | Johnson-Bessel, B | >55 | 60-40 | 5.00 ±0.1 | Bandpass Filter | ||
| Astronomy Bandpass Filter, Johnson-Bessel, Violet 25mm Dia. | 21-123 | 25.00 +0/-0.25 | 520.00 | 90.00 | Johnson-Bessel, V | >70 | 60-40 | 5.00 ±0.1 | Bandpass Filter | ||
| Astronomy Bandpass Filter, Johnson-Bessel, Red 25mm Dia. | 21-124 | 25.00 +0/-0.25 | 630.00 | 120.00 | Johnson-Bessel, R | >70 | 60-40 | 5.00 ±0.1 | Bandpass Filter | ||
| Astronomy Bandpass Filter, Johnson-Bessel, IR 25mm Dia. | 21-125 | 25.00 +0/-0.25 | 900.00 | 300.00 | Johnson-Bessel, I | >70 | 60-40 | 5.00 ±0.1 | Bandpass Filter | ||
| Astronomy Bandpass Filter, Johnson-Bessel, UV 50mm Dia. | 21-127 | 50.00 +0/-0.25 | 365.00 | 60.00 | Johnson-Bessel, U | >50 | 60-40 | 5.00 ±0.1 | Bandpass Filter | ||
| Astronomy Bandpass Filter, Johnson-Bessel, Blue 50mm Dia. | 21-128 | 50.00 +0/-0.25 | 440.00 | 100.00 | Johnson-Bessel, B | >55 | 60-40 | 5.00 ±0.1 | Bandpass Filter | ||
| Astronomy Bandpass Filter, Johnson-Bessel, Violet 50mm Dia. | 21-129 | 50.00 +0/-0.25 | 520.00 | 90.00 | Johnson-Bessel, V | >70 | 60-40 | 5.00 ±0.1 | Bandpass Filter | ||
| Astronomy Bandpass Filter, Johnson-Bessel, Red 50mm Dia. | 21-130 | 50.00 +0/-0.25 | 630.00 | 120.00 | Johnson-Bessel, R | >70 | 60-40 | 5.00 ±0.1 | Bandpass Filter | ||
| Astronomy Bandpass Filter, Johnson-Bessel, IR 50mm Dia. | 21-131 | 50.00 +0/-0.25 | 900.00 | 300.00 | Johnson-Bessel, I | >70 | 60-40 | 5.00 ±0.1 | Bandpass Filter | ||
| Astronomy Bandpass Filter, Johnson-Bessel, UV 50 x 50mm | 21-133 | 50 x 50 | 365.00 | 60.00 | Johnson-Bessel, U | >50 | 60-40 | 5.00 ±0.1 | Bandpass Filter | +0/-0.25 | |
| Astronomy Bandpass Filter, Johnson-Bessel, Blue 50 x 50mm | 21-134 | 50 x 50 | 440.00 | 100.00 | Johnson-Bessel, B | >55 | 60-40 | 5.00 ±0.1 | Bandpass Filter | +0/-0.25 | |
| Astronomy Bandpass Filter, Johnson-Bessel, Violet 50 x 50mm | 21-135 | 50 x 50 | 520.00 | 90.00 | Johnson-Bessel, V | >70 | 60-40 | 5.00 ±0.1 | Bandpass Filter | +0/-0.25 | |
| Astronomy Bandpass Filter, Johnson-Bessel, Red 50 x 50mm | 21-136 | 50 x 50 | 630.00 | 120.00 | Johnson-Bessel, R | >70 | 60-40 | 5.00 ±0.1 | Bandpass Filter | +0/-0.25 | |
| Astronomy Bandpass Filter, Johnson-Bessel, IR 50 x 50mm | 21-137 | 50 x 50 | 900.00 | 300.00 | Johnson-Bessel, I | >70 | 60-40 | 5.00 ±0.1 | Bandpass Filter | +0/-0.25 |
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