A full resolution sample photo taken with the 12-megapixel Canon EOS Rebel XSi at the highest sensitivity setting, ISO 1600. This image was shot RAW and converted to a 16-bit TIFF with no adjustments, using Adobe Lightroom. The text, graybar, and logo were added in Photoshop anf it was then converted to 8-bit and resaved as a maximum quality JPEG.