Sunday, May 6, 2012

Does decreasing image size increase the frame rate for continuous shooting on a DSLR?

Question

If shooting in RAW mode decreases the burst rate to 2 frames per second (on Canon 1100D), then would using a lower resolution JPG setting increase the frame rate?

Please tell me if I have mis-understood the concept. Thanks.

Asked by theSuda

Answer

Generally, a DSLR has a fixed maximum frame rate, and it will take images at that rate until the memory buffer is full. After that the rate drops depending on how fast the images can be converted and written to the memory card.

The Canon 1100D has two different maximum frame rates, 2 fps for RAW format and 3 fps for JPEG format:

"Continuous: 2 fps up to 5 RAW frames / 3 fps up to 830 JPEG"

So, whatever resolution you pick, it won't go faster than 3 fps.

A lower resolution will let you take more images before the memory buffer fills up and the rate drops, so that would increase the 830, but you would not normally take that long bursts anyway...

Answered by Guffa

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