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- Pointing assistance system
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Schmidt-Cassegrain Telescopes
Discover our selection of Schmidt-Cassegrain telescopes (SCTs), renowned all-rounders for visual astronomy and imaging. Combining a front corrector plate with aspherical mirrors, these compact optical tubes deliver a long focal length in an easily transportable format. From the classic Celestron C8 and C9.25 to high-resolution, aplanatic EdgeHD models (8″ to 14″), find the optical tube to suit your mount with advice from Astromanie.
There are 6 products.
Active filters
Celestron EdgeHD 14"...
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CELESTRON C8 OTA (CGE...
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Celestron EdgeHD 9.25"...
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Celestron...
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Celestron C8 EdgeHD...
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Choosing a Schmidt-Cassegrain telescope: ultimate versatility
The Schmidt-Cassegrain folds a very long optical path into a surprisingly short tube, using its front corrector plate and mirror system. The result is a generous focal length in a compact format, with a comfortable viewing position at the rear of the tube, equally at home on lunar craters and deep-sky objects.
Classic range or EdgeHD: what are the differences?
- Classic optical tubes (such as the well-known C8 and C9.25): The established design renowned for its versatility. The ultimate all-round instrument for visual planetary observing and discovering the deep sky, easily adapted for photography with a focal reducer.
- Flat-field EdgeHD series: An advanced version with internal corrector lenses. It ensures sharp, round stars right to the edges of large imaging sensors, while adding ventilation ports and mirror locks essential for stable long exposures.
- Ultra-fast wide-field option (Fastar system): The secondary mirror can be removed in one simple step to attach a camera at the front, turning the instrument into a very fast, wide-angle astronomical telephoto lens.
To keep your optics dry on cool nights, complete your setup with a heated dew shield for the front corrector plate and a sturdy Losmandy-style mounting system (101 mm wide), or a wider one for larger instruments, for a vibration-free hold.