Projection Head and Focus Column
AssemblyAn adjustable optical turret containing a primary projection lens, first surface mirror, and manual or motorized focus mechanism. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Projection Head and Focus Column
6 top-level lines as of r118789| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Projection Lens | overhead-projector-primary-lens | 1× | 1 | · | part |
| 2 | First-Surface Mirror | overhead-projector-mirror | 1× | 1 | · | part |
| 3 | Lens Turret | overhead-projector-lens-turret | 1× | 1 | · | part |
| 4 | Focus Drive | overhead-projector-focus-mechanism | 1× | 1 | · | part |
| 5 | Ball Bearing | ball-bearing | 2× | 2 | · | part |
| 6 | Fastener Set | fastener-set | 1× | 1 | · | part |