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ZWO Duo Band Filter
$47.95
ZWO – 2″ Duo-Band Filter
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- 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.
Cost Effective Light Pollution Solution
- Aircraft grade aluminum with precise CNC machining
- Beautiful anodized finish with laser engraving
- Precise double-sided optical coating
- Fine-optically polished to ensure accurate 1/4 wavefront and <30 seconds parallelism over the both surfaces
Description
ZWO Duo-Band Filter is a dual narrowband filter primarily aimed at complementing our range of colour ASI cameras. The Duo-Band filter is aimed at the astronomer who may already own a One Shot Colour (OSC) camera and wants to image using narrowband techniques or emission objects without purchasing a mono camera, filter wheel and narrowband filter set.
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Carrier: UPS/FedEx/USPS. Delivery Timescale: More than 90% of orders arrive in 10 business days after despatch.
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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.
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