Pocket-Lint: Nikon’s P7100 is built with the high-end user in mind. This 10.1-megapixel, 7.1x optical zoom compact is one of a handful to come equipped with an optical viewfinder - although with a 80 percent field of view it does have its limitations - and the body is laden with numerous control dials and buttons that make it feel rather DSLR-like in use.