In ny opinion, "gallery size" hinges directly on the native resolution of the lens (megapixels). The following is based on personal opinion: 6 MP = 8 x 10" | 5 MP = 6 x 8" | 4 MP = 5 x 7" | 3 MP = 5 x 7" | 2 MP = 4 x 6" | 1 MP = 2.5 x 3.5"

Roger