The Nikon D7100 is a new 24.1 megapixel APS-C Digital SLR camera. The D7100 promises high resolution by making do without an optical low-pass filter in front of its 24MP CMOS sensor. It gains a 51-point autofocus system and a 6fps.
If you want to buy Nikon D7100 online, the Digitutor for Nikon D7100 now available online.
Nikon D7100 Digitutor
Also the Nikon D7100 User’s Manual can be downloaded here.