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Astronomy > Filters > Nebulae filters > UHC Filters > ZWO > ZWO Filters 2" Duo band
Product no.: 63985

Filters 2" Duo band

RRP: $ 280.00 Our price:
$ 259.00 incl. VAT plus shipping costs
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This product is available in the following variants:
Frame Price
1,25" $ 134.00
2" $ 259.00

Product description

ZWO Duo-Band Filter is a dual narrowband filter primarily aimed at complementing the range of colour ASI cameras. The Duo-Band filter is aimed at the astronomer who may already own color 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 (656nm) and OIII (500nm) 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 color camera.

  • 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

Specifications

Capacity


Frame
2"
Connection (to the telescope)
2"
Mount material
Aluminium

General


Type of build
UHC Filters
Type
Filters

Area of application


Anti light-pollution
yes
Planetary nebulae
yes
Hydrogen nebulae
yes
Supernova remains
yes
Visually useful
yes
Useful for photographs
yes

Product safety

manufacturer: Suzhou ZWO Co., Ltd., Moon bay road 6, SuZhou Industrial Park, 215123 SuZhou, CN, www.zwoastro.com
resp_person: NIMAX GmbH, Otto-Lilienthal-Str. 9, 86899 Landsberg am Lech, DE, [email protected]
ZWO Filters 2" Duo band
Light transmission curve

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