Telescopes & Astronomy
Beginner Telescopes
Buying your first telescope? Browse our curated selection of beginner telescopes.
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AUD $15.00In Stock
Getting your back-focus distance right is essential for sharp, well-corrected astrophotography and sometimes you need more than thin shims to bridge the gap. This M48 x 0.75mm aluminium alloy spacer ring provides 5mm of solid, threaded spacing to help you build out your imaging train with precision. Also available in various sizes to suit your specific setup requirements.
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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
Expert advice and lessons
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30 day returns (T&Cs apply)
