Some of my photographic lenses are reknown for their outstanding sharpness, others are said to be mediocre. But somehow I never quite saw a big difference in sharpness between them. Do older lenses have less resolution than the newer ones? Can a dedicated prime lens resolve more detail than a multi-purpose zoom lens? Let's find out. These questions recently came to a head for me, in the choice between two compact cameras: A Fujifilm X100T, 16 MP, with a 23 mm lens, and a Ricoh GR III, 24 MP, ...