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| p.1 #8 · D700 upgrade for Photokina? |
I don't really see it happening given what seems to be going on with the embedded CPU technology that Nikon has access to. That's probably a bit esoteric, so I'll explain; Nikon is rolling out much faster sensor readout and a much more powerful ASIC across its line. That means big upgrades as follows
First, autofocus. The work of the three processors a Canon 1DX needs to run itself and its autofocus can now be done with a single chip. The Nikon D4, which tried to make do with one previous generation processor, betrayed itself with things like weaker AF performance compared to the 1DX while the D4s, which has the new chip, now vaults ahead.
Second, lower noise, especially on JPEG. A full stop advantage and no more high ISO color shift. This also means that it becomes much more realistic to depend on JPEG and not have to resort to batch-processing raw files if you want a lower resolution than the standard.
Third, data throughput, increased substantially, so that it's now realistic to run a 36 megapixel camera at high speed. For example I would expect at least six FPS from the speculated on D810, reportedly due to launch in a week, and if it isn't more than that it will be because Nikon didn't upgrade it mechanically, not because they're running into the readout speed bottleneck they have now with the D800.
Big picture is, one body can do it all, resolution and speed in the same package. That really narrows the scope for a D700-specific replacement. We've already seen the D4s; it looks like there's a lock on what the D800 replacement is going to be; there's speculation about a new high-end DX body, which presumably could manage 8 FPS at 24MP in its sleep, and then the changes will continue to trickle down across the rest of the line. Actually the D5300 already has the new tech; it just barely taps it.