D7100 Buffer Issues

Started May 2, 2013 | Discussions thread
mosswings
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Re: D7100 Buffer Issues
In reply to Big45acp, May 3, 2013

Big45acp wrote:

This is exactly my point... All these numbers are worthless without exact context. That is why I asked for very specific "requirements". The higher buffer counts of other cameras are meaningless if all other factors are not the same. Sure the D3200 has 18 frames, but a max FPS of 4FPS! If I drop the D7100 down to the D3200 equivelent settings I can hit 20 frames before the buffer slows. The D800, D300s and D600 are all much more expensive, and the D7100 AF blows the D600 away (I've owned both). My point is that ALL the "competitors" have serious sacrifices or compromises. If max buffer is the only consideration, then the D7100 can pump out 100 frames at 7FPS. I can always sacrifice FPS or IQ in favor of matching a "competitors" buffer, but there is nothing a camera can do to "boost" IQ or AF performance or max shutter speed, or ISO, or etc.

All valid points, but it begs the question whether one would dial down a D7100 to match the D3200's file quality in RAW.  It's equally valid to compare continuous shooting performance at the appropriate file quality for the camera.

In the case of the D3200, it's 12 bits, 18 frames, 4FPS, 4.5 seconds.

In the case of the Canon 7D - a more directly comparable camera to the D7100, it's 14 bits, 15 frames (actually 24 frames according to DPR), 8FPS, anywhere from 2-3 seconds.

The Canon 60D does 16 frames at 5FPS, 3+ seconds.

The D300s, 17 frames, 7FPS, 2.5 seconds.

The D600, 16 frames, 6FPS, 2.5 seconds.

The D7100 is 14 bits, 6-8 frames, 6FPS, 1 second.

In effect what you're doing by dropping the file quality is similar to switching to JPEG, at which point any of these cameras will work just fine.  That's comparing apples and pomegranates.  Like I said, I don't have any problem with the D7100's buffer, as you ostensibly asked for - but it's still smaller than its competitors' buffers, either in #frames or total burst capacity in RAW.

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