TTL Light Meter
AssemblyThrough-the-lens exposure meter that reads scene luminance off the focusing screen with silicon photodiodes and drives a finder display, centre-weighted across the frame. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for TTL Light Meter
7 top-level lines as of r62962| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Silicon Photodiode Cell | film-camera-35mm-spd-cell | 2× | 2 | · | part |
| 2 | Meter Galvanometer | film-camera-35mm-meter-needle | 1× | 1 | · | part |
| 3 | ISO Resistor Ring | film-camera-35mm-iso-resistor-ring | 1× | 1 | · | part |
| 4 | Silver-Oxide Button Cell | film-camera-35mm-button-cell | 2× | 2 | · | part |
| 5 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 6 | SMD Passive (R/C/L) | smd-passives | 24× | 24 | · | part |
| 7 | Wire Bundle | wire-bundle | 1× | 1 | · | part |