Many animals have body symmetry with distinct front and back ends. This type of symmetry is bilateral symmetry. Animals with bilateral symmetry have one line that divides them into two mirror images.
Here, the DX-sized image sensor is exposed. Comparison of image sensor sizes, including Nikon DX. The Nikon DX format is an alternative name used by Nikon corporation for APS-C image sensor format being approximately 24x16 mm. Its dimensions are about 2â3 (29 mm vs 43 mm diagonal, approx.) those of the 35mm format. The format was created by Nikon for its digital SLR cameras, many of which are equipped with DX-sized sensors. DX format is very similar in size to sensors from Pentax, Sony and other camera manufacturers.
The Nikon D7100 started shipping in the U.S. in March 2013. It's available both body-only and in a kit with the AF-S DX NIKKOR 18-105mm f/3.5-5.6 VR lens. Retail pricing for the body-only is around US$1,200, similar to cost of the D7000 at launch. In the 18-105mm kit, it costs around US$1,500.ust like the D7000's viewfinder, that in the Nikon D7100 has 0.94x magnification, a 19.5mm eyepoint (-1.0m -1), and a ~100% rated coverage. The diopter adjustment range is rather narrower, though, at -2 to +1m -1.