
Altering the camera speed also changes the film exposure time. In order to hold the film exposure constant when changing the camera speed, either the shutter angle of the mirror shutter or the aperture of the lens must be adjusted accordingly. The
Compensation | fps | Shutter Angle Aperture | Result | ||
None | 24 | 180 | 5.6 |
| OK |
| 48 | 180 | 5.6 | 1 | |
Shutter Angle | 24 | 90 | 5.6 |
| OK |
| 48 | 180 | 5.6 |
| OK |
Aperture | 24 | 180 | 5.6 |
| OK |
| 48 | 180 | 4 |
| OK |
The required compensation type can be simply selected using the COMPENSATION rotary switch on the
The camera speed can either be adjusted using the handwheel, or it can be
Note: | Adjusting the iris alters the depth of field. |
| Adjusting the shutter angle, on the other hand, |
| does not alter the depth of field. A small shutter |
| angle and a rapid camera movement, or fast- |
| moving objects, may result in stroboscopic effects. |
| Adjusting the shutter angle when using HMI |
| light may result in inconsistent film exposure. |
11