Imaging Filters
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AUD $269.00In Stock
Adding the ZWO O-III Narrowband filter to your imaging collection will help you go beyond RGB imaging and capture your favorite nebulae in a totally new light, no matter how polluted your skies may be!
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AUD $269.00In Stock
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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AUD $269.00In Stock
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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AUD $259.00In Stock
- Fits Optical Tube Diameter 7 1/8" (181mm) to 7 3/8" (187mm)
- Safe for viewing the Sun
- Blocks 99.999% of incoming light
- Compatibility: LX70 R6, LX65 6" MAK & 6" ACF™, LX85 6" MAK, ACF™ & 6" Reflector
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AUD $349.00In Stock
- Fits Optical Tube Diameter 11 5/8" (295mm) to 11 7/8" (302mm)
- Safe for viewing the Sun
- Blocks 99.999% of incoming light
- Compatibility: LX90 10", LX200 10", LX600 10"
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AUD $799.00In Stock
Astrodon 5nm Narrowband Filters – H-alpha 5nm
H-α (hydrogen-alpha) at 656 nm (nanometers) is deep red in color and the most popular narrowband filter. Hydrogen is ubiquitous in the cosmos and is present in emission nebula (North American, Pelican), planetary nebula (Dumbbell, Ring), Wolf-Rayet objects (Crescent, Thor’s Helmet) and supernova remnants (Veil).
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Why buy from Sirius Optics
Queensland's largest telescope showroom and warehouse
Run by astronomers and nature lovers, not sales people
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