Telescopes & Astronomy
Beginner Telescopes
Buying your first telescope? Browse our curated selection of beginner telescopes.
Shop by Use
What will you use your telescope for? Explore the many uses of different types of telescopes.
Shop by Type
Choose your telescope by optical design or learn more about the different types of telescopes.
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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 $99.00In Stock
If you'd like to enhance your astronomy experience with some colour planetary filters, why not go for the saxon 2" Colour Planetary Filter Set?
This set comes with four filters of yellow, red, dark green and blue.
Learn More -
AUD $699.00In Stock
Astrodon Narrowband filters set a new bar of performance and durability for imaging and research.
Learn More -
AUD $39.00In Stock
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AUD $79.00In Stock
A must have accessory for lunar observing. Standard filter threads screw onto 2in eyepieces.
Polarising filters can be used to increase contrast in some images, and can be especially useful for daytime photography.
Learn More -
AUD $19.00Backorder Available
- For use with 1.25” eyepieces.
- One of the essential eyepiece filters for visual astronomy.
- Reduce glare from bright objects such as the Moon, Venus, and Jupiter.
- Accentuate subtle detail for the Moon and planets
- Polar ice caps of Mars in large telescopes
- Limb hazes and terminator clouds of Mars
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AUD $349.00Backorder Available
- 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 $164.99Backorder Available
Our 1-1/4" Light Pollution Reduction (LPR) Filters are designed to selectively reduce the transmission of certain wavelengths of light, specifically those produced by artificial light Learn More -
AUD $94.99Backorder Available
- This economical seven-piece accessory kit enhances the performance of your Celestron PowerSeeker, or most any other telescope
- Includes two full-size 1.25” eyepieces, three eyepiece filters, a cleaning cloth, and a case
- One medium power and one high power eyepiece give you a new perspective on celestial objects
- A Moon filter helps block out some moonlight so you can see more lunar detail, and the two color filters (Red and Blue) highlight features on Mars, Jupiter, and Saturn
- A hard plastic carry case keeps everything safe in the foam-lined interior
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AUD $69.00Backorder Available
- A customizable way to reduce brightness and glare on the brightest celestial objects like the Moon, Venus, and bright double stars
- Adjust the level of light transmission from 1-40% for the best possible view for your specific target and current viewing conditions
- Simple to use—just rotate filter’s lower ring to adjust brightness
- Threads onto any Celestron 1.25” eyepiece
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)
