To use a light meter with a film camera, follow these steps:
- Set the ISO/ASA on the light meter to match the film speed of your camera.
- Point the light meter towards the subject you want to photograph.
- Press the button on the light meter to measure the light.
- Adjust the aperture and shutter speed on your camera based on the light meter reading.
- Take the photo using the settings recommended by the light meter.
Remember to adjust the settings as needed for different lighting conditions.