Telescopes & Astronomy
Beginner Telescopes
Buying your first telescope? Browse our curated selection of beginner telescopes.
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What will you use your telescope for? Explore the many uses of different types of telescopes.
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Choose your telescope by optical design or learn more about the different types of telescopes.
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AUD $69.00In Stock
- High-performance observational eyepiece filter markedly improves views of Mars
- Fully-coated Mars filter increases contrast to bring out subtle details on the disc of the red planet
- When using the Mars filter on a clear, dark evening you'll see polar ice cap detail, subtle mare shadings, duststorm and cloud activity
- Eyepiece filter dramatically improves views of Mars even in smaller astronomical telescopes
- Designed to fit 1.25" telescope eyepieces with filter threads. Metal filter cell construction.
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AUD $164.00Backorder: Allow 4-8 weeks
A must-have filter for safe observation of the sun through a telescope without damaging your eyes - optical glass filter fits snugly over your telescope's aperture to block 99.9% of incoming sunlight
Fits Orion Observer 70mm, ShortTube 80mm, StarSeeker 80mm, and AstroView 90mm refractors; Apex and StarMax 90mm Mak-Cass telescopes; and other models
Each Orion telescope solar filter is mounted in a foam-lined aluminum cell featuring three equidistant securing thumbscrews, 4x 1/16" thick adhesive foam tabs, and 4x 1/8" thick adhesive foam tabs for customized friction fit to your telescope
NOTE: Filter inside diameter is 107 mm. (approx 4.10 inches)
All Orion solar filters are designed for use with an adequate friction fit attachment. Thumbscrews should ONLY be used to keep filter securely in place once a friction fit has been achieved
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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
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