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ZWO Unmounted 31mm LRGB Filter Set

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ZWO Unmounted 31mm LRGB Filter Set
AUD $329.00

Availability: In Stock

The ZWO LRGB 31mm Filters have better transmission, better coatings and better colour separation.

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Name: ZWO LRGB 31mm Filters (4 filters)

Size: 31mm

Thickness: 2mm


The RGB colour combined weights will be approximately 1:1:1

  • Fine-optically polished to ensure accurate 1/4 wavefront
  • More than 92% transmission at passband
  • Infrared wavelength 700-1100nm cut-off
  • Precision off-band blocking
  • Multi-layers anti-reflection coating
  • Small spectral “gap” to minimize the effect of light pollution
  • More parfocal – thickness = 2mm

LRGB judge




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