A friend on flickr recently used these settings to capture an amazing photograph of the moon: Exposure: 0.005 sec (1/200) Aperture: f/5.6 Focal Length: 300 mm ISO Speed: 400 Exposure Bias: +1/3 EV Flash: Off Exposure Mode: Auto White Balance: Manual Proof that these settings will work. Photography by Bugalugsrox. Camera: Canon EOS 400D Digital.