Filters
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AUD $299.00Backorder Available
Out of stock
The ZWO LRGB 36mm Filters have better transmission, better coatings and better colour separation.
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AUD $49.00Backorder Available
Out of stock
Attach the Sky-Watcher Solar Filter for Maksutov Telescopes securely over the front of your telescope to conduct safe solar viewing. If you are looking at Sun spots, or just wanting to get a closer look at our closest star, this filter will reflect the harmful rays and reduce the intensity of the sunlight making it safe to view through your telescope.
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AUD $579.00Backorder Available
Out of stock
Includes H-Alpha, Sulphur II and Oxygen III.
Note: This kit comprises 1 each of ZWO filter Product No. 125802, 125810 and 125812
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AUD $139.00Backorder Available
Out of stock
ZWO Duo-Band Filter Highlights
- Aerometal material with precise CNC machining
- Fine sandblasting process and anodized finish
- Extinction treatment to prevent reflection
- Laser engraving font that will never fade
- Precise double-sided optical coating
- Fine-optically polished to ensure accurate 1/4 wavefront and <30 seconds parallelism over the both surfaces
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AUD $1,939.00Backorder Available
Out of stock
- Take beautiful images of deep-sky objects from light-polluted suburban locations with the Rowe-Ackermann Schmidt Astrograph 11 (RASA 11) using this light pollution suppression filter
- Custom designed to replace the RASA’s optical window, so you still get optimum optical performance even with the addition of the filter
- Selectively blocks unwanted light pollution while providing over 90% transmission at critical wavelengths
- Maintains a more neutral color balance than other light pollution imaging filters, perfect for imaging colorful nebulae and galaxies
- Every filter is individually tested for light transmission. A graph of test results for your specific filter is included for your reference
Why buy from Sirius Optics
Queensland's largest telescope showroom and warehouse
Run by astronomers and nature lovers, not sales people
Expert advice and lessons
Secure checkout with multiple payment options
30 day returns (T&Cs apply)
