ZWO 31mm Unmounted LRGB Filter Set Optimised for ASI1600

ZWO 31mm Unmounted LRGB Filter Set Optimised for ASI1600

  (1 Review)
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About this product

Model:  zwo_lrgb_31mm_asi1600
Part Number:  ZWO-LRGB31

New ZWO 31mm LRGB filter set designed to approximately equalise the flux of the ASI1600 mono sensor. Offers better transmission, coatings and colour separation.

Includes Red, Green and Blue filters and a UV/IR-Cut 'L' filter.


  • 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-layered anti-reflective coatings
  • Small spectral 'gap' to minimise effects of light pollution
  • More parfocal - thickness 1.9+/-0.03mm

Tranmission Curve

Customer reviews

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Good looking images.
16 January 2019  | 

No noticeable additional vignettes,reflections or other artefacts. Just been testing on m42 stars and nebulousity all look good.


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