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Atik Narrow Band Filter Set

Atik Narrow Band Filter Set
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Atik Narrow Band Filter SetAtik Narrow Band Filter SetAtik Narrow Band Filter SetAtik Narrow Band Filter Set
Price:  £426.00
List Price:  £450.00
(Inc. 20% VAT)
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Product Code:  ATK0176
Manufacturer:  Atik Cameras

Special introductory offer! Get 50% off Atik filters when bought with any Atik mono camera (excluding the Atik GP)! Please call us on 01353 776 199 to get the discount!

The Atik narrow band filter are designed with a band pass of 7 nm to aid in capturing all a nebula’s photons while the vast majority of the broad band light pollution is stopped. The result is a much higher signal to noise revealing faint details in nebulas. The Narrow band filter set comprises of Hydrogen-Alpha (Ha), Sulphur (SII) and Oxygen (OIII).

The SHO narrow band filter set is compatible with our filter wheels and allows astrophotographers to capture deep-sky objects in spectacular narrow band. This filter set is commonly used to image objects in the Hubble pallet.

Bandwidth:

  •     SII 7nm
  •     Ha 7nm
  •     OIII 7nm

Peak Transmission: minimum 80%

CWL (centre of wavelength):

  •     Ha 656.3nm
  •     SII 671.6nm
  •     OIII 500.7nm

Size: 1.25” mounted, 36mm unmounted or 2” mounted

Transmitted Wavefront RMS: λ/4

Parallelism(arcsec): 30s

Filter                          Peak Transmission     Half Width     Transmission in Ban         Transmission out of Band
Hydrogen Alpha      656.3nm                       7nm                >80%                                   Maximum<0.3% Average 0.1%
Oxygen III                 500.7nm                       7nm                >80%                                   Maximum<0.3% Average 0.1%
Sulphur II                 671.6nm                       7nm                 >80%                                  Maximum<0.3% Average 0.1%

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