Sphere Lens Bank
AssemblyTwo geared discs of spherical lenses, strong steps and 0.25 D weak steps, combining to cover +16.75 to -19.00 D. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Sphere Lens Bank
6 top-level lines as of r124540| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Strong Sphere Disc | phoropter-strong-sphere-disc | 1× | 1 | · | part |
| 2 | Weak Sphere Disc | phoropter-weak-sphere-disc | 1× | 1 | · | part |
| 3 | Sphere Lens Cell | phoropter-sphere-lens-cell | 21× | 21 | · | part |
| 4 | Sphere Control Knob | phoropter-sphere-knob | 1× | 1 | · | part |
| 5 | Detent Click-Stop | phoropter-detent-mechanism | 2× | 2 | · | part |
| 6 | Ball Bearing | ball-bearing | 2× | 2 | · | part |