The Nikon D610 is one of the lowest-priced full-frame SLRs on the market. At the price Nikon is charging for the camera, the D610 is one of the best values in photography. The D610 has a 24.3MP full frame CMOS sensor, an ISO range of 100-6400; a maximum 6fps continuous shooting mode; 39 point AF system with 9 cross type AF points; wireless flash control; dual memory card slots, and 1080p30 full HD video.  These are just a few of the high end features in this camera. While the D800 has a 36.3MP full frame CMOS sensor, it will cost…