Power Drum Mechanism
AssemblyCalibrated rotating drum adjusting lens compensation from −30 to +30 diopters via mechanical focusing. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Power Drum Mechanism
5 top-level lines as of r97941| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Drum Spindle | lensmeter-drum-spindle | 1× | 1 | · | part |
| 2 | Compensating Lens Carousel | lensmeter-compensating-lens-holder | 1× | 1 | · | part |
| 3 | Vernier Dial | lensmeter-vernier-dial | 1× | 1 | · | part |
| 4 | Drum Stepper Motor | lensmeter-drum-motor | 1× | 1 | · | part |
| 5 | Diopter Readout Display | lensmeter-drum-position-indicator | 1× | 1 | · | part |