ATIK/QSI Narrow Band Filter Set - Special Bundle Offer (only available when purchased with an ATIK/QSI Cooled Mono Camera)

£135.00✓ 2 year warranty

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1.25": £135.00
36mm: £150.00
2": £190.00

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Special Bundle Price - when purchased with an Atik mono camera

About this product

Model: qsi_nb_1.25
Part Number: ATK0176P

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.

FEATURES

Bandwidth: 7nm
Peak Transmission: min 80%
Centre of Wavelength (CWL): Ha - 656.3nm, OIII - 500.7nm, SII - 671.6nm
Transmitted Wavefront RMS: λ/4
Parallelism (arcsec): 30s

Transmission Chart

Specifications

Filter	Transmission range	Transmission in Band	Transmission out of band
Luminance	410-680nm	Average >95%, Minimum >90%	Maximum <1% Average <0.5%
Red	600-680nm	Average >95%, Minimum >90%	Maximum <1% Average <0.5%
Green	500-550nm	Average >95%, Minimum >90%	Maximum <1% Average <0.5%
Blue	410-500nm	Average >95%, Minimum >90%	Maximum <1% Average <0.5%