First images of Nikon D600 with 24 MP FX sensor

For DX fans, Nikon has also announced an 18-300mm superzoom which is
likely to be optically even worse than the 18-200mm. Buyers of these
superzooms seem to place a higher priority on never having to change
lenses, which makes one wonder why on earth they bought an
interchangeable lens camera in the first place.
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When you are photographing a once-off event (recent example, the Olympic
torch passing by), there may not be time to change lenses, or even to pick
up a second camera, and a wide-range zoom gives you maximum chance of
getting a few good pictures. Of course, if you are a professional
photographer with a privileged viewpoint, things may be different....

It doesn't mean that you don't change lenses on other occasions. Others
have different needs to you.

David