http://www.ricoh-imaging.co.jp/english/products/lens_cmp/
So, it is concluded that the kit lens is junk and should be thrown away immediately! Now, it's time to buy the two plastic wonder primes from Ricoh, or the two old DA/DFA lenses that few people remember and buy now. Go, go, go and act fast and you will be redirected to the Japanese online store of Ricoh! :-o At the end of the day, Ricoh must thank me for promoting them for free! Right? ;-p