Resolution is the ability of the camera to distinguish between two very close elements in a photo, while acutance is the level of details at the borders of the elements of an image, in other words, acutance is the edge contrast of an image. The higher this number is the higher the sharpness of the image.
Johann Christian Bach was a galant-style German composer of Italian opera during the early Classical period, and the youngest son of famed Baroque composer Johann Sebastian Bach.