Accessory
William Optics FLAT 73R (0.8x Reducer)
William Optics · FLAT 73R (0.8x Reducer) · field flattener / reducer
Key specifications
| Accessory type | Flattener/Reducer |
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| Weight | 0.574 kg |
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| Path length | 49 mm |
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All specifications
| Interface | M63x1 telescope side; M48x0.75 T-mount camera side |
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About
A 0.8x reducer-flattener of three elements in three groups, threading to the telescope at M63x1 and presenting an M48x0.75 T-mount to the camera. Covers full frame; the reducer itself is 49 mm long, plus 40 mm for the rotator/adapter. Now discontinued.