This is helpful when buying used cameras. What do you think? Frank and critical ranking 66 models Thorough explanations for each class: entry-level, standard, mid-range, and high-end. Includes rankings by class from the perspective of "Kaden Hihyo" (Home Appliance Criticism). Features AF performance, ISO noise checks, etc. CANON SONY NIKON Panasonic FUJIFILM PENTAX Mirrorless DSLR Compact Digital Camera Digital Camera Used OM-D E-M10 MARK EOS Kiss X10i EOS RP EOS 6D LUMIX DC S1R S1 α6 100 α7 α77 α6400 α6500 α9 z50 D5600 D6 D5