Telescope Accessories
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AUD $329.00In Stock
- 24mm Ultra Flat Field eyepiece designed for 1.25” focusers
- Incredibly crisp views from center to edge of field
- Fully multi-coated, 8-element lens design for excellent light transmission
- Wide 65° apparent field of view allows you to see more of the night sky
- Generous 29mm eye relief and fold-down rubber eyeguard for comfortable viewing with or without eyeglasses
- Molded rubber grip ring for non-slip handling
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AUD $669.00In Stock
Learn More- 30mm parfocal Ultra Flat Field eyepiece designed for 2” focusers
- Incredibly crisp views from center to edge of field
- Fully multi-coated, 9-element lens design for excellent light transmission
- Wide 70° apparent field of view allows you see more of the night sky
- Generous 22mm eye relief and fold-down rubber eyeguard for comfortable viewing with or without eyeglasses
- Molded rubber grip ring for non-slip handling
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AUD $39.00In Stock
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AUD $499.00In Stock
- Enhance your 8” Rowe-Ackermann Schmidt Astrograph (RASA) by blocking light pollution, improving image contrast, and darkening the sky background.
- This filter selectively blocks wavelengths of light from sources of light pollution, such as streetlights, not broad regions of the spectrum.
- Does not block wavelengths associated with emission nebulae, keeping your nebula images bright and detailed.
- Fits into the 8” RASA’s integrated filter mount, maintaining peak optical performance.
- Optically flat surfaces free of defects, constructed of Schott glass with anti-reflection coatings.
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AUD $599.99In Stock
Bring out the best in your nebulae astroimages with the H-alpha H-beta OIII (Hα-Hβ-OIII) Imaging Filter for the 8” RASA. This specialized filter allows high transmission of light from emission nebulae while blocking light pollution, helping to make your images pop with detail off the black sky background with superior contrast.
Fortunately, many sources of light pollution have relatively discreet emission spectra; they emit primarily at specific wavelengths of light. By strategically blocking these “bad” wavelengths, the filter essentially eliminates the effect of light pollution while letting the “good” wavelengths of light associated with the emission nebula pass through to the camera. You’ll notice much higher contrast in your images immediately, even if imaging from your light polluted backyard! And since the transmission at the key wavelengths is so high, the nebula will not be dimmed—only the background will be blacker.
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Why buy from Sirius Optics
Queensland's largest telescope showroom and warehouse
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