the_mikey
Legendary Member
- Location
- South Gloucestershire
OK this explains why, when I took time exposures, it could take twenty seconds or more for the picture to be processed onto the card. But why? What's the difference between time exposures and daytime shots in the way the data is stored?
Depends on how the camera is processing the data created by a long exposure, in my experience no matter how fast the storage media is, the camera processing time increases with exposure time.
If you take a 30s long exposure, the camera will then try to compensate for sensor errors by reading the sensor a further 30s while the shutter is closed, using this data to correct errors in the original exposure, the result of this is then dumped onto your SD card.
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