To make your film camera flash work, you need to follow a few steps. Firstly, check if your camera has a built-in flash or an external flash unit. If it has an external flash unit, ensure that it's connected correctly to the camera's hot shoe.
Next, check if the flash is charged by pressing the test button or checking the charge indicator. If it's not charged, charge the flash according to the manufacturer's instructions.
Make sure that the flash is set to the correct mode, either manual or automatic, and adjust the settings accordingly. For manual mode, set the flash output power manually, while for automatic mode, the flash will adjust the power output based on the camera's metering system.
Ensure that the camera's shutter speed is set to the correct sync speed, which is usually around 1/60th to 1/125th of a second. If the shutter speed is too fast, the flash may not synchronize correctly with the camera, resulting in an underexposed image.
If your camera has a built-in flash, make sure that it's enabled in the camera settings and set to the correct mode. Adjust the flash output power if necessary.
It's also important to note that different film types have different ISO values, which affect the flash's output power. So make sure to set the correct ISO value on your camera before taking a shot with flash.
Finally, always test the flash before taking any important shots, and adjust the settings as needed. With these steps, your film camera flash should work correctly.