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Filters > Nebulae filters > UHC Filters > Sharpstar > Duo > Sharpstar Filters C1 Duo-Band Filter H-Alpha & OIII 2"
Product no.: 81981

Filters C1 Duo-Band Filter H-Alpha & OIII 2"

$ 317.00 incl. VAT plus shipping costs
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Product description

In brief:

  • Narrowband filter for OIII and H-Alpha
  • High-contrast images even at full moon
  • Effective against light pollution

Askar C1 Duo narrowband filter for deep sky astrophotography

For all astrophotographers, filters are one of the essential accessories for achieving perfect deep sky images. Nebulae filters for deep sky photography can effectively eliminate the influence of background light and improve the contrast of your photos. This C1 Duo Narrowband Filter "Colour Magic" from Askar has been specially developed for astrophotography with modern cameras and is suitable for telescopes and camera lenses.

The narrow bandwidth allows you to take high-quality deep sky images even in significant light pollution or bright moonlight. The contrast is significantly improved. The filter can be used with SW/mono and colour astro cameras, DSLRs and mirrorless system cameras.

In addition, the Colour Magic nebulae filter offers very good halo control, which significantly reduces annoying halos and reflections around stars.

Specifications

Capacity


Central wavelength (nm)
500,7 & 656,6
Half-value width (nm)
5
filter thickness (mm)
0,05
Frame
2"
Transmission
90
Mount material
Aluminium
Coating of optical system
multiple
Connection (to the telescope)
2"

General


Type
Filters
Type of build
line filter
Series
Duo

Area of application


Useful for photographs
yes
Visually useful
no
Twin stars
no
Moon & Planets
no
Nebulae & galaxies
yes

Product safety

Manufacturer: Teleskop-Service Ransburg GmbH, Von-Myra-Straße 8, 85599 Parsdorf, DE, www.teleskop-express.de
Sharpstar Filters C1 Duo-Band Filter H-Alpha & OIII 2"

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