- Multiple stroke: requires multiple full strokes to advance a single frame. i.e Mamiya 645e requires two full strokes to advance one frame on its optional film advance handle.
- Single stroke: requires one full and complete stroke to advance a single frame.
- Single stroke with the option to do multiple strokes: requires one full and complete stroke to advance a single frame, or several partial small strokes to advance a single frame.
The advantage of having a single stroke with the option to do multiple small strokes is that it allows me to advance with a single hand. It comes in very handy when my left hand is preoccupied with other tasks (like holding my three year old sons hand in public). When taking a picture, I advance the frame with my right hand, put the camera against my face, and use a fast enough shutter speed to steadies the shot. This is why the cameras with the levers that has a single stroke with the multiple strokes option gets more sun and the others stays at home.
What kind of lever is on a film camera should be a point to considering if you ever need to shoot one handed.
| Single stroke lever with multiple stroke option on the Canon AE-1 (1980s). I use this camera about 5 days out of the week. |
| Single stroke lever on the Minolta X-370 (1990s) I use this camera twice in the last 3 months. |
Between the Canon AE-1 and the Minolta X-370, the camera industry had a decade to figure out how to make cameras cheaper by reducing useful features, a process of constant cost improvement.











