ProStaff P3 vs P7: field, coatings and fit define the real step up
ProStaff P3 and ProStaff P7 overlap far more than their model numbers suggest. In the current 10×42 specifications, Nikon lists the same magnification, objective size, field of view, eye relief, close focus, and body dimensions for both, so the P7 upgrade case cannot honestly be built on a wider view or easier eyeglass fit. The