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Boasting a clear aperture of 210mm, and a FAST f/3.4 focal ratio (with included corrector) for 714mm focal length. This is your next imaging powerhouse. Specifically designed for deep-sky astrophotographers who demand high image quality, it offers a cost-effective choice for those looking to upgrade to a large-aperture Newtonian telescope.
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Aperture size |
210mm |
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Focal length |
756mm(without Corrector)/714mm(with Corrector) |
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Focal ratio |
F3.6(without Corrector)/F3.4(with Corrector) |
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Corrector reduction factor |
0.95× |
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Corrector type |
Triplet design |
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Primary mirror type |
Parabolic mirror |
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Format specifications |
APS-C(28mm) |
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Tube material |
Carbon fiber |
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Secondary mirror short axis diameter |
71mm |
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Lens tube outer diameter |
264mm |
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Lens tube total length |
640mm |
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OTA weight |
7.9kg |
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Gross weight (including handle， tube ring， dovetail plate, and corrector) |
9.8kg | |
| Corrector weight | 0.22kg | |
| Resolution | 0.55 | |
| Back focus | 55mm（from the M48 thread） | |
| Rear-end thread type | Corrector end：M48*0.75 | |
| Standard package items | a N210 OTA, a pair of tube rings, 400mm dovetail plate, multifunctional handle, 0.95×MPCC, manual, M58 to M48 adapter, 0.1mm shim *2, 0.2mm shim *2, 0.3mm shim *2 | |