Atik Narrowband Filter Set

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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.

Size:

$545.00

Article number: ATK0176

Availability: On Order

Delivery time: Special Order: please allow 4 weeks

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Description

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

Technical Specification

Filter	Peak Transmission	Half Width	Transmission in Band	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%