First, look at this:-What is this Pentax big gun and why an Olympus body is attached?? :-ovia http://forum.xitek.com/showthread.php?threadid=873779(in Chinese, Google-translated English version here)Go down the thread you will discover that these big guns are for astro-applications actually. I don't know when the photos were taken but it seems that it was not very long ago as I can see a Pentax
