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[6674] 89ED Rack & Pinion Focuser Set |
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| Part # | 6674 |
| Description | 89ED Rack & Pinion Focuser Set |
| Aperture | 89mm ED |
| Focal length | 600mm |
| F-ratio | 6.7 |
| Lens configuration | 2 elements in 2 groups |
| Coating | Fully multi-coated |
| Physical length | 510mm |
| Tube diameter | 80mm |
| Weight | 2.0kg |
| Filter | 82mm (front cap) |
| Parts included | 2589, 7803, 7051, 7801, 9850 & 7504 |
| Notes | BORG rack & pinion focuser version. 2-inch opening & M57-thread. |
