1. This K-5 user reported a tilted viewfinder:-http://www.dchome.net/viewthread.php?tid=1074731&extra=page%3D1He said that using LiveView was okay and he was able to get perfectly levelled pictures. But however, with the optical viewfinder, the final pictures were always inclined.2. This O-GPS1 and K-5 user found a bug on the calculated maximum tracking time limit in the astrotracer mode which is