Askar N160 Newtonian Astrograph
Askar N160 Newtonian Astrograph
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Description du produit
The Askar N160 is a Newtonian reflector with a 160mm aperture and a F3.6 native focal ratio, designed for deep-sky astrophotography.
With the included 2-inch 0.95× coma corrector, the system focal ratio is optimized to F3.4. This coma corrector features a triplet air-spaced design and threaded connections, allowing it to be securely attached to the focuser.
The N160 supports APS-C format imaging and delivers excellent star performance.
Specifications
| Parameters | ||
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Aperture size |
160mm |
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Focal length |
576mm(without Corrector)/544mm(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 |
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Tube material |
Carbon fiber |
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Secondary mirror short axis diameter |
61mm |
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Lens tube outer diameter |
193mm |
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Lens tube total length |
467mm |
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OTA weight |
3.97kg |
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Gross weight (including handle， tube ring， dovetail plate, and corrector) |
5.2kg | |
| Corrector weight | 0.22kg | |
| Resolution | 0.73 | |
| Back focus | 55mm（from the M48 thread） | |
| Rear-end thread type | Corrector end：M48*0.75 | |
| Standard package items | a N160 OTA, a pair of tube rings, 230mm dovetail plate, multifunctional handle, 0.95×MPCC, manual, M58 to M48 adapter, 0.1mm shim *2, 0.2mm shim *2, 0.3mm shim *2 | |