1.25″ Round Mounted Optical Filters

$55.00 USD$360.00 USD

SBIG 1.25″ round optical filters are compatible with FW8-8300 and FW8S-Aluma filter wheels when using Filter Insert 36mm to 1.25.  1.25″ filters are only recommended for smaller sensors and/or higher f/ratio instruments, as they may otherwise vignette the image.  These filters are built for SBIG to our exacting specifications.  All filters are parfocal, which avoids unnecessary refocusing.


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Product Description

Filters and filter sets available include:

  • Luminance (L)
  • Red (R)
  • Green (G)
  • Blue (B)
  • Clear (C)
  • Hydrogen Alpha (Ha) – 656.3 nm, bandwidth 7 nm
  • LRGB Color Imaging Package (four filters)

Clear passes all wavelengths but is parfocal with the other filters.

Spectra response for LRGB filters