OTA
Sharpstar 13028HNT
Sharpstar · 13028HNT · 5-inch Newtonian reflector telescope
Key specifications
| Aperture | 130 mm |
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| Focal length | 364 mm |
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| Focal ratio | f/2.8 |
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| Optical design | Newtonian |
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| Back focus | 55 mm |
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| Weight | 3.2 kg |
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All specifications
| Focuser type | 2.5-inch carbon-fibre rack and pinion, coarse and fine adjustment |
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| Tube length | 394 mm |
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| Dovetail | Vixen |
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About
A 130 mm f/2.8 hyperbolic Newtonian astrograph on a carbon-fibre tube, with a PZ33 primary, a 65 mm secondary and a two-element ED corrector covering a 44 mm full-frame circle. Its 2.5-inch rack-and-pinion focuser is tapped M63 and comes with an M48x0.75 adapter ring.