Brand: ZWO

ZWO 2" Duo-Band Filter (ZWO-DB2)

ZWO-DB2

Brand: ZWO

ZWO 2" Duo-Band Filter (ZWO-DB2)

ZWO-DB2

  • Aerometal material. Precise CNC machining
  • Fine sandblasting process and anodized finish
  • Extinction treatment to prevent reflection
  • Laser engraving font that will never fade
  • Precise double-sided optical coating
  • Fine-optically polished to ensure accurate 1/4 wavefront and <30 seconds parallelism over the both surfaces
$149.00 USD

Easy Payment Options with .

What is a Reservation?
$149.00 USD

Easy Payment Options with .

What is a Reservation?
Free Expert Support
Stress Free, Secure Shopping
30 Day Return Policy
Price Match Promise
Full Details Specifications Reviews and Questions Articles, Videos, Software, Links

Product Description

ZWO Duo-Band Filter is a dual narrowband filter primarily aimed at complementing our range of color ASI cameras. The Duo-Band filter is aimed at the astronomer who may already own a One Shot Color (OSC) camera and wants to image using narrowband techniques or emission objects without purchasing a mono camera, filter wheel and narrowband filter set.

The Duo-Band filter offers an economical entry into the world of narrowband imaging and can also offer a practical solution to imaging in light polluted urban areas.

The dual band pass nature of the Duo-Band filter passes light at Hα (656.3nm) and OIII (500.7nm) wavelength, and can reduce the interference from natural light sources such as moonlight, or artificial light pollution such as street lighting.

It can help improve the contrast and visibility of deep sky objects such as emission nebula using a OSC camera.

If you are looking for a solution to deep sky photography in light pollution area, then ZWO Duo-Band Filter will be a great choice.

The Duo-Band filter can be used with all ASI cameras and EFW Electronic Filter Wheel and comes in both 1.25” and 2” sizes.

Specifications

  • Name: ZWO Duo-Band Filter
  • Size: Standard 2”
  • Glass thickness: 1.85 mm
  • Bandwidth: HA (15nm) OIII (35nm)
  • Surface quality: 60/40 (Refer to MIL-O-13830)
  • Schott substrate material
  • More than 90% transmission at major OIII line 495.9nm and 500.7nm.
  • More than 80% transmission at Ha line 656.3nm

Customer Reviews

Based on 1 review
100%
(1)
0%
(0)
0%
(0)
0%
(0)
0%
(0)
E
E.B.
ZWo DB2

Got a chance to use it on the Horsehead Nebula just recently. The detail and colour enhancement is nothing short of fantastic.
Worth every penny!

Why Should You Trust All Star Telescope?

We've Made All The Mistakes
So You Don't Have To

Learn More