1. A camera comprising: a Bayer color filter array arranged to capture an input image as a non-linear Bayer image comprising RGB pixels arranged in Bayer format; a processor; and a printer, wherein the processor is arranged to receive the input image, convert the input image to a printable image and output the printable image to the printer for printing, the processor being configured to converted an input image to a printable image by: up-interpolating the input image by linearizing and planarizing the input image and mapping each color of the linearized, planarized input image from an input space to an output space; sharpening the image in the output space; and converting the sharpened image to a printable image of cyan, magenta and yellow pixels.