For example, this picture was taken with a 7D and EFS10-22 @10mm, F/16, 1/125 sec, no filters. Cropped just slightly to get the file size under 5MB. I had no tripod, but my elbows were on the ground. This picture is early in my DSLR days, JPEG only, no affective post, but zooming in, the sailboat is nowhere near as sharp as the beach in the foreground. Would a TS-E 17 tilted sharpened up the boat, or am I asking too much?