ZWO 1.25" LRGB Filters Optimized for ASI1600

  • Fine-optically polished to ensure accurate 1/4 wavefront
  • More than 92% transmission at bandpass
  • Infrared wavelength 700-1100 nm cut-off
  • Precision off-band blocking
  • Multi-layers anti-reflection coating
  • Small spectral "gap" to minimize the effect of light pollution
  • More parfocal – thickness 1.9+/-0.03 mm


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  • Regular price $148.00

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ZWO 1.25" LRGB Filters Optimized for ASI1600

ZWO 1.25" LRGB Filters Optimized for ASI1600 set:

The New ZWO 1.25-inch LRGB Filters in this set are designed to approximately equalize the flux of an ASI1600 mono sensor.

It now has:

Better transmission, better coating, and better color separation.

  • These filters have a thickness of 5.5 mm
  • With 3.5 mm (thread).
  • Thread: M28.5*0.6.


Filter ShapeRound
Filter Size1.25"
Filter Thickness5.5mm
Filter TypeLRGB
Free ShippingYes


  • Four filters: LRGB.
  • Protective storage case.