OTA
Sharpstar 15028HNT
Sharpstar · 15028HNT · 6-inch Newtonian reflector telescope
Key specifications
| Aperture | 150 mm |
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| Focal length | 420 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 | 4.45 kg |
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All specifications
| Focuser type | 2.5-inch rack and pinion, microdrive fine focusing |
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| Tube length | 445 mm |
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About
A 150 mm f/2.8 hyperbolic Newtonian astrograph on a carbon-fibre tube, with a triplet air-spaced corrector in the light path, a 70 mm secondary on a one-piece X strut and a 2.5-inch rack-and-pinion focuser tapped M48x0.75 at a standard 55 mm back focus.