After stalking this heron for more than 2 hours this morning, I finally got the light on the right side of me/Mr. Heron and made this shot. It's about a 50% crop, but that's the only thing I've done to it. This is about as close as I could get without spooking him, and it's the limit of my 70-200. Here's the question... sharp enough? 1/640 sec, f/5, ISO 200, Compensation: -4/3. Do I need to push sharpness further? If so, how? Is this sharp enough for an 11X14 or so print?