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Sirius 5 Position 1.25 Inch Filter Wheel

AUD $99.00
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Astrodon 1.25" 5nm Oxygen-III (OIII) Filter

AUD $749.00
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Astrodon Narrowband filters set a new bar of performance and durability for imaging and research.
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ZWO 2 inch Oxygen III (OIII) filter 7nm

AUD $410.00
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ZWO 2 inch Sulfur II (SII) filter 7nm

AUD $410.00
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ZWO Oxygen-II (OIII) Filter 31mm Unmounted

AUD $235.00
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ZWO Sulfur-II (SII) Filter 31mm Unmounted

AUD $235.00
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ZWO Unmounted 31mm LRGB Filter Set

AUD $249.00
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The ZWO LRGB 31mm Filters have better transmission, better coatings and better colour separation.
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Sirius 2 inch LRGB Filter Set

AUD $299.00
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ZWO Unmounted 36mm H-Alpha 7nm Filter

AUD $269.00
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Narrowband H-alpha astrophotography filter for high-contrast imaging and revealing rich details of nebulae, even in areas with strong light pollution.
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ZWO Unmounted 36mm 7nm S-II Filter

AUD $269.00
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ZWO narrowband S-II 7nm filter passes light at 672nm wavelength with a bandpass of 7nm, which is designed for nebula observation.
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