We caught a glimpse of Nikon's next full-frame DSLR, the D600, back in June, but now as we get closer to Photokina, a rumored release date has also leaked. Nikon Rumors is reporting that the D600 will be officially announced "on or around September 13th," which would be just a few days before the biennial Photokina expo begins. The D600 is expected to retail for half of the cost of the D800 (which presently sells for $2999.99), Nikon's current full-frame, semi-pro DSLR.

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The earlier reports from June claimed that the D600 would feature a 24.6-megapixel FX sensor, a 39-point autofocus system, a top ISO sensitivity of 25,600, and 30fps 1080p HD video capability. If Nikon is able to price the D600 at half of the cost of the D800, it would undercut the Canon 5D Mark II — the current "bargain" full-frame DSLR on the market — by a significant margin and would open up full-frame photography to a whole new category of customers.