Nikon D4s vs D4: 04 Continuous shooting
The D4s has an improved continuous shooting speed of 11 frames per second, with autofocus and auto-exposure.
This compares with 10fps on the Nikon D4 – the D4 could shoot at 11fps, but only with the focus and exposure locked.
This improvement might not sound like much to an outsider, but to a professional any advantage could be crucial.
It’s not just about increasing your odds of getting the ‘perfect’ shot – pros at major events are also in competition with each other.
That’s not all. Nikon has introduced a completely new shutter and mirror mechanism.
The mirror ‘bounce’ has been reduced to give a more stable viewfinder image and less viewfinder blackout at full speed, which should make it easier to keep fast-moving subjects centred in the frame.
Nikon D4s vs D4: 05 Buffer capacity
It’s not just about how fast you can shoot, but how long you can keep it up, and the Expeed 4 processor in the Nikon D4s brings an improved buffer capacity.
The Nikon D4 was already mighty impressive, with the ability to capture 170 JPEGs in a burst or an amazing 98 RAW files, but the Nikon D4s goes further still.
Its 200-shot JPEG capacity is impressive enough, but according to Nikon it can capture 176 12-bit compressed RAW files without stopping.
If prefer to shoot top quality 14-bit RAW files, it can still capture 104 in a row, compared to 76 for the Nikon D4.
Usually, pro photographers would have to compromise and shoot JPEGs to capture long bursts, but the D4, and now the Nikon D4s, make RAW files and extended continuous sequences perfectly compatible.
Nikon D4s vs D4: 06 RAW formats
With speed in mind, Nikon has introduced an additional RAW size in the D4s. You can now shoot S (small) 4-megapixel RAW files for faster storage and transfer.
The applications are limited – most photographers would rather switch to JPEGs than use lower-res RAW files – but for those used to a RAW workflow and who only need images for on-screen or web use, the new S RAW format could prove useful.
PAGE 1 – Nikon D4s vs D4: Sensor, Image processor, ISO
PAGE 2 – Nikon D4s vs D4: Continuous shooting, Buffer capacity, RAW formats
PAGE 3 – Nikon D4s vs D4: AF system, Movies, Sound
PAGE 4 – Nikon D4s vs D4: Connectivity, Memory, Battery
PAGE 5 – Nikon D4s vs D4: Design and dimensions, Price
PAGE 6 – Nikon D4s vs D4: Our conclusion
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