One of the major problems with Nikon's P7000 is that it's slow. In some cases, really slow - taking up to 30 seconds to write a 5-shot burst of bracketed images, during which time the camera is completely unresponsive.
So, how much does the latest 1.1 firmware upgrade improve this? We decided to find out.
We set up a P7000 to shoot in shutter priority mode, but with the lens covered to force a completely black image. The SD card used was a 16GB Transcend Class 6 SDHC, formatted in-camera. Single-image write times for JPEG Large Fine, NRW, and NRW+JPEG were taken and averaged across multiple shots, and the same was done for a burst of 5 images in each mode.
The results show a definite improvement - a burst of five NRW files taking 30% less time, for example.
But, is this fast enough? We still think that the "Expeed C2" powering the P7000 is just not up to the job of delivering fast write times. It's a near-fatal flaw in an otherwise superb camera, but it's encouraging to see Nikon attempting to address the issue.
UPDATE: Compared to Canon G12:
I don't have a lot to add, that chart says it all - the Canon still romps home with this one.
UPDATE 2: With a Class 10 SDHC card:
Following some reports that people are seeing far quicker write times, we tried again with a faster (Class 10) SD card - a Transcend 16Gb Class 10 SDHC. Note that these results are from the first press of the shutter button, to when the "busy" indicator stops flashing and the camera becomes responsive again.
A slight improvement, but not a huge one. Still, we'd recommend a Class 10 SD card where possible.
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