Rotator cuff injuries cause pain in your shoulder and upper arm. The pain may be most noticeable when you reach up or out. When you turn your arm as you lift it, the tendons are more likely to rub against surrounding structures.
The essential difference between the original series of AF Nikkor lenses and all AF lens types introduced subsequently, from the AF-D versions onwards (see below), concerns the compatibility of a particular lens with Nikon's enhanced Matrix metering system known as 3D Matrix metering that was introduced during 1996.
Difference Between DX format and FX format. Nikon DX Format is an image sensor format that is approximately 24 x 16 mm. It was created by Nikon as a feature of its digital SLR cameras, a great many of which come standard with a DX sized sensor. The dimensions of this format are about 2/3 those of the standard 35 mm format.