taken to replace a K30 no low-pass filter really makes a significant difference in sharpness compared to K30, already very good (with the same objectives) the +: 2 SD slot, X-sync socket and sync position X, metal constructions, possibility of grip, 24Mpix, interface customization and advanced ergonomics + the -: much more sensitive to the digital noise (important appearance from ISO 1250) as K30, heavy, no szene fashion (not a problem for me), battery capacity (in the background, it seems)