ZWO 31 mm LRGB Filter Set

  • Amplify your equipment's light-gathering capabilities!
  • Set of Four Filters!
  • Types: Luminance, Red, Green, and Blue.
  • Size: D = 31 mm.
  • Unmounted 
  • Sale
  • Regular price $169.00
  • $152.10
  • You save: $16.90 (10%)

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ZWO 31 mm LRGB Filter Set

This filter set from ZWO includes four 31 mm unmounted filters: Red, Green, Blue, and Luminance. They are a great match for the ZWO five-position color filter wheel. The filters have high transmission (over 90%), are anti-reflection coated on both sides and have IR-Cut built-in.

Features of the ZWO 31 mm LRGB Filter Set

  • 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 2 mm.

OPT Product Number: ZWO-LRGB-31MM


Filter Size31mm
Filter TypeLRGB
Free ShippingYes
Glass Thickness2mm