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Canon G5x Mark II Bulb exposure time limitation is 256 seconds

bobakman
Enthusiast

Well I was finally able to solve one issue with performing bulb exposures without physically touching he camera using the Canon BT remote BR-E1 and have now discovered that  apparently bulb exposures are limited to 4:16 or 256 seconds. I also tried a bulb exposure  by holding the shutter button as the manual states on page #95 "With bulb exposures, shots are exposed for as long as you hold down the shutter button." I also tried setting the shutter mode to electronic with the same result. It appears that this has been an issue since at least 2020 from an old post at DPREVIEW  here: https://www.dpreview.com/forums/thread/4484929 
I hope Canon is monitoring this forum and provides a firmware update to remove this limitation. Some of my bulb exposures with my T5i  exceed 8 minutes so pun intended "Time is of the essence."
Bob

"Cameras don't take pictures, photographers do."
1 ACCEPTED SOLUTION

Look what I came across while searching at Canon, it's for the G7x and G9x Mark II and they share the same "DNA". I will assume the G5x Mark II is no different until I hear back from Canon.
Bob
https://support.usa.canon.com/kb/index?page=content&id=ART165616 
https://support.usa.canon.com/kb/index?page=content&id=ART167208 

"Cameras don't take pictures, photographers do."

View solution in original post

3 REPLIES 3

rs-eos
Elite
Elite

If you haven’t already, do provide your feedback to Canon by visiting the main Canon USA page, then clicking on “[+] Feedback” which is at the page’s bottom next to the copyright notice. 

The value of 256 is interesting as that’s the maximum value storable in one byte (assuming you start at one instead of zero). Hopefully that value is not limited to a single byte, and can thus have its maximum value be increased. 

--
Ricky

Camera: EOS 5D IV, EF 50mm f/1.2L, EF 135mm f/2L
Lighting: Profoto Lights & Modifiers

Thank you Sir. I have left appropriate feedback as you have suggested and referenced this post.
Bob

"Cameras don't take pictures, photographers do."

Look what I came across while searching at Canon, it's for the G7x and G9x Mark II and they share the same "DNA". I will assume the G5x Mark II is no different until I hear back from Canon.
Bob
https://support.usa.canon.com/kb/index?page=content&id=ART165616 
https://support.usa.canon.com/kb/index?page=content&id=ART167208 

"Cameras don't take pictures, photographers do."
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