Telescope Accessories
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AUD $39.00Backorder Available
M48 11-Piece Stainless Steel Spacing Shim Set for precision back-focus adjustment in astrophotography. Includes shims ranging from 0.02mm to 1.0mm thickness, allowing fine-tuned spacing between your telescope and camera for optimal image quality.
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AUD $39.00
Backorder Available
Fine-tune your imaging train's back-focus distance with this 11-piece M42 stainless steel spacer ring set, featuring thicknesses from 0.02 mm to 1.0 mm. Combine multiple shims to achieve precise spacing adjustments down to hundredths of a millimetre—essential for eliminating star elongation and field curvature when using field flatteners, coma correctors, and reducers. Durable 304 stainless steel construction ensures each ring stays flat and rigid for years of reliable use.
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AUD $139.99Backorder Available
- This economical eight-piece eyepiece and filter accessory kit enhances the performance of your Celestron AstroMaster, or most any other telescope
- Includes two 1.25” eyepieces, a 2X Barlow lens, three filters, a cleaning cloth, and a case!
- With two extra eyepieces and a Barlow lens, you get four different magnifications to choose from
- 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 plastic, hard carry case keeps everything safe in the foam-lined interior
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AUD $54.00Backorder Available
saxon Counterweight for EQ2 Mount (3.5kg)
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AUD $169.00Backorder Available
- 10mm parfocal Ultra Flat Field eyepiece designed for 1.25” focusers
- Incredibly crisp views from center to edge of field
- Fully multi-coated, 5-element lens design for excellent light transmission
- Wide 60° apparent field of view allows you to see more of the night sky
- Generous 16mm eye relief and fold-down rubber eyeguard for comfortable viewing with or without eyeglasses
- Molded rubber grip ring for non-slip handling
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)
