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Have a question? We'd love to help. Email: info@allstartelescope.com Call Us: (587) 336-6621 Toll Free: 1 (866) 310-8844
ZWO LRGB 31mm Unmounted Filters (ZWO-LRGB31)

ZWO LRGB 31mm Unmounted Filters (ZWO-LRGB31)

by ZWO
SKU ZWO-LRGB31
$219.95 - $219.95
$219.95
$219.95 - $219.95
$219.95

Product is not in stock at the moment but we expect it to arrive soon.

New stock is arriving all the time. We will let you know an estimated timeline for when your reserved item will arrive.

The new ZWO 2″ LRGB Filters has good performance in transmission, also it has good coating, good colour separation.

Description Overview

  • Name: ZWO 31mm LRGB filter (4 filters)
  • 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 effect of light pollution
  • More parfocal – thickness 2 mm
  • Size: D=31mm