As well as using bulb mode for smooth water effects and dreamy clouds, longer exposure times also lend themselves to astrophotography. Canon EOS 6D, 39 seconds. Kayvan Mazhar via Unsplash
Using the Bulb timer feature
Some of the more advanced camera models introduced since 2014 feature an option called ‘Bulb timer’. This setting, found in the red Shoot menu, can only be accessed once the camera is set to the bulb (B) mode.
When in bulb mode, naviagte to the Bulb timer, then press SET. Select ‘Enable’ to turn the timer on, then press the INFO button to set up the length of the exposure in hours, minutes and seconds.
Once set up, fire the camera to start the bulb timer, then the camera will close the shutter automatically at the end of the programmed time period.
