Atik Narrowband 1.25" Filter Kit

ITEM #
A3-ATK0176
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  • Regular price $470.00

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Atik Narrowband 1.25" Filter Kit

The Atik narrow band filters are manufactured with a band pass of 7 nm, capturing a nebula's photons while preventing a large portion of the broad band light pollution from entering. 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).

 

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%

 

SPECIFICATIONS

Filter ShapeRound
Filter TypeH Alpha
Filter TypeOIII
Filter TypeSII
Free ShippingYes
Size1.25"