LRGB Filter Set

Special offer – Get 50% off any filter set (or both filter sets), when you buy any Atik mono camera (with the exception of the Atik GP).

The LRGB filter set consists of Luminance, Red, Green and blue filters, that have been designed for CCD cameras to image deep sky objects, galaxies and stars in their natural colour.

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If a natural colour representation is what you want from you deep-sky imaging, an LRGB filter set should be your first choice. With OIII emission overlapping on the blue and green filters to allow high efficiency and natural colour imaging of all deep-sky objects. The gap between green and red filters serves to block out the light pollution line at 589nm and improves the colour of your images.
Transmission: Average 95%
Size: 1.25”, 36mm or 2”
Coating Wavelength: 300-1050nm
Transmitted Wavefront RMS: λ/4
Parallelism (arcsec): 30s

Technical Specification


Filter Transmission range Transmission in Band Transmission out of band
Luminance 410-680nm Average >95%, Minimum >90% Maximum <1% Average <0.5%
Red 600-680nm Average >95%, Minimum >90% Maximum <1% Average <0.5%
Green 500-550nm Average >95%, Minimum >90% Maximum <1% Average <0.5%
Blue 410-500nm Average >95%, Minimum >90% Maximum <1% Average <0.5%


What's in the box?

Four filters:

  • Red
  • Green
  • Blue
  • Luminance