Accessory
Sharpstar 61EDPH f/4.5 Full-Frame Reducer
Sharpstar · 61EDPH f/4.5 Full-Frame Reducer · field flattener / reducer
Key specifications
| Accessory type | Flattener/Reducer |
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| Weight | 0.45 kg |
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All specifications
| Interface | M63x1 front; M48x0.75 rear |
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| Compatible with | Sharpstar 61EDPH, 61EDPH II |
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About
A 2.3-inch three-element air-spaced reducer for the Sharpstar 61EDPH and 61EDPH II, taking them to 275 mm at f/4.5 over a 44 mm full-frame circle. It threads M63x1 to the telescope and M48x0.75 at the camera, with a 55 mm back focus.