Nikon's ultra-sensitive D4s can see at night like an owl

For over 50 years Nikon has made some of the tastiest pro cameras around, and its top of the line D4 has been hailed since it launched two years ago as the fastest DSLR around. So many sports photographers love it because it allows them to take hundreds of shots in just a few seconds in burst mode. But now Nikon have upped the ante with the D4s, which uses an updated version of the 16.2-megapixel sensor from the old D4 coupled to a new processor that manages to double the ISO rating.

With its new Expeed 4 processor, the sensitivity in standard mode can now be pushed up to 25,600 ISO, while the extended range stretches to an astonishing 409,600 ISO. This means that if you go to a photo shoot and somehow forget your lights, just light a candle and you should be fine. A pro photographer friend summed it up by saying that this is the perfect camera for taking pictures of the food in your fridge, with the door closed.

The super sensitivity isn't the only thing that's been upgraded. At 11 frames per second, the D4s can shoot 200 individually focused and exposure adjusted shots in about 18 seconds, just the thing for when you're trying to capture that perfect moment in Maria Sharapova's serve. Of course if 11-fps isn't fast enough for you, there's always the D4s' video mode, which has now been bumped up to 1080/60p. The rechargeable battery has also been upgraded, and can now give you 3,020 shots on a single charge. To fit all of those shots you're going to need a pretty massive memory card, so in addition to the standard Compact Flash slot, the D4s is one of the first cameras to use the new XQD card format. These will eventually come in capacities up to 2TB, which should be enough to cover pretty much anything you can throw at it.

Naturally, for something aimed at the pro market with these kinds of specs, you probably could have guessed that the D4s isn't going to be cheap. Although at $6,500, it's just $500 more than that old slowpoke, the original D4.The D4s will be available next week on March 6. Hmmm, perhaps some of those upgrading pros will be dumping their old D4 cameras cheap.

Digital Photography Review, via Extreme Tech

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