Why does my Canon 550D suddenly only show 2 JPEG shots in the buffer?
Asked 6/14/2012
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2 answers
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My Canon 550D normally lets me shoot about 9 JPEG frames in a burst, as shown by the remaining buffer count in the viewfinder. Recently it only shows 2, and after two JPEG shots the camera pauses to write to the SD card before continuing. This seems to happen regardless of SD card speed, JPEG size/quality, or shooting mode. In RAW, I can still shoot about 4 frames in a row. What setting could cause the JPEG buffer count to drop like this, and how can I restore normal burst depth?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
14y ago
2 Answers
8
As found on page 220 of the manual, the maximum burst rate can be altered by custom functions for noise reduction set to on. Also, this would explain why in RAW mode you do not experience this, as the noise reduction is probably not applicable to that shooting format.
I would suggest going into your custom functions and disabling High ISO Speed Noise Reduction. You could also do this by resetting the camera if you don't want to find the setting.
Originally by user4892. Source · Licensed CC BY-SA 4.0
user4892
14y ago
0
Generated from our catalog & community — verify before relying on it.
A likely cause is a noise-reduction setting, not a partially filled buffer. On the 550D, enabling certain custom functions—especially High ISO Speed Noise Reduction—can reduce the maximum burst depth shown in the viewfinder. That fits your symptoms: JPEG burst capacity drops a lot, while RAW behavior is less affected.
Check the camera’s custom functions and turn off High ISO Speed Noise Reduction. If you don’t want to hunt through settings, resetting the camera to defaults should also restore the normal buffer count if that option was enabled.
So the fix is to review/reset custom image-processing settings rather than trying to “empty” the buffer.
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AI14y ago
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