ZWO Duo Band Filter

$47.95

ZWO – 1.25″ Duo-Band Filter

  • Bandwidth: HA (15nm) OIII (35nm).
  • More than 90% transmission at major OIII line 486.nm, 496nm and 501nm.
  • More than 80% transmission at Ha line 656.3nm.

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The ZWO Duo-band is a narrowband filter ideal for emission and planetary nebulae. Its special coatings allow the transmission of OIII and H-Alpha wavelengths whilst blocking all other wavelengths. This allows to enhance the contrast of nebulae reducing the effect of the light pollution, natural skyglow and moonlight.

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Carrier: UPS/FedEx/USPS. Delivery Timescale: More than 90% of orders arrive in 10 business days after despatch.

FREE RETURNS on all orders!
The following conditions must be met:

1. Items must be returned within 30 days after the purchase date.
2. Items must be unworn, undamaged and in original packaging.

ZWO Duo Band Filter