想太多了! D5200的是這樣: SLR type; eye-level pentamirror, 95% coverage, 0.78x mag., 17.9mm eyepoint, -1.7 to +0.7 diopter, Type B BriteView Clear Matte Mark VII screen .
看看D7000的你就知道差別了: • Optical fixed eye-level • Pentaprism type • Built-in dioptre adjustment (-1.7 to +0.5 m-1) • Eye point: 18 mm (at -1.0 m-1) • Frame coverage 100% (approx.)* • Viewfinder magnification approx. 0.94x with 50mm lens at infinity; -1.0 m-1 • Type B BriteView Clear Matte screen Mark II with AF area brackets (framing grid can be displayed)