Adapting Pentax K-mount Lenses to Nikon F-mount Bodies is Painful

http://www.dchome.net/forum.php?mod=viewthread&tid=1189091
(FA35/2 adapted on D600, in Chinese)

The user has to replace the whole K-mount so as to fit in the lens, for the correct back focus register distance! The modification is mostly destructive btw. >:-(