eo_logo
 
Product added to cart

Astronomy Bandpass Filter, Johnson-Bessel, Red 50mm Dia.

Astronomy Bandpass Filters

Astronomy Bandpass Filters

×
Stock #21-130 5-7 Days
×
Quantity Selector - Use the plus and minus buttons to adjust the quantity. +
NT$28,105
Qty 1-5
NT$28,105
Qty 6+
NT$25,295
Volume Pricing
Request Quote
下載產品資料
Diameter (mm):
50.00 +0/-0.25
Center Wavelength CWL (nm):
630.00
Full Width-Half Max FWHM (nm):
120.00
Type of Filter:
Johnson-Bessel, R
Minimum Transmission (%):
>70
Surface Quality:
60-40
Thickness (mm):
5.00 ±0.1
Type:
Bandpass Filter
Transmitted Wavefront, RMS:
λ/4
Parallelism (arcsec):
<30

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
REACH 241:

產品系列說明

  • 過濾並測量天文學物體的光線
  • 非常適合於光度校準
  • UBVRI 濾光片

天文帶通濾光片用於過濾和測量天文和天體發射的特定光帶。由於傳感器的感應特性,Johnson / Bessel濾光片非常適合與光電倍增管一起使用,Kron/Cousin濾光片非常適合與矽傳感器一起使用。這兩種濾光片都使用相同的UV (U)、藍色(B)和紫色(V)濾光規格。但是,紅(R)和紅外(I)濾光片已經過優化,可與光電倍增管或矽CCD感測器配合使用。天文帶通濾光片精確控制了厚度,以儘量減少更換濾光片時重新聚焦的常見問題。

 
Sales & Expert Advice
 
or view regional numbers
Easy-to-Use
QUOTE TOOL
enter stock numbers to begin