Canon EOS R6 Advanced User Guide - Page 112

5. Take the picture. After you press the shutter button completely, the bulb exposure continues for your specified time. [ ] and the exposure time are displayed on the screen during bulb timer shooting. To clear the timer setting, select [Disable] in step 2. Caution Bulb exposure stops if you press the shutter button completely and release it during the timer. Bulb exposure continues even after your specified exposure time if you keep pressing the shutter button completely (which overrides automatic stopping when your specified exposure time elapses). The bulb timer is cleared (and reverts to [Disable]) when you switch shooting modes. 112