Astrophotography Filter, SII, 672.4nm, 7.7nm, 50mm diameter

Chroma Technology Astronomy Filter

Manufacturer's part number :


Manufacturer CHROMA TECHNOLOGY Fluorescence Filters

Chroma Technology

Description :

The SII/8-50 model is a precision band pass filter with a transmission more than 93% at 672.4nm with a nominal bandwidth of 7.7nm. This SII/8-50 band pass filter for astrophotography application is 50mm diameter size.

View our wide range of Optical filters

View our portfolio of Photonics

See all products from our supplier Chroma Technology

  • Quote and availability


  • Central wavelength: 672.4nm
  • Transmission more than 93%
  • Nominal bandwidth (FWHM): 7.7nm
  • Dimensions: 50mm diameter
  • Durable sputter coatings
  • Filters designed for use with CCD and for f/4 or slower
  • Transmitted wavefront better than 0.25 waves/inch
  • Parallelism <30 arcsec
  • Thickness: 3.0 +/-0.05mm
  • Benefits

  • Extremely durable coatings withstand humidity changes and extreme temperature fluxes and remain spectrally accurate in central wavelength and ban pass adherence
Features Similar products
Filters Type Band pass filter  

  similar products found

Search similar products
Central Wavelength Range 601nm-700nm  
SII/8 Astrophotography Filter
Astrophotography Filter