http://www.ephotozine.com/article/smc-pentax-da-70mm-f-2-4-limited-lens-review-16835http://www.ephotozine.com/article/smc-pentax-fa-31mm-f-1-8-al-limited-lens-review-16866Nice reviews. They are still confused with the actual meaning of the MTF, though. I recommend do read the MTF50 charts only as at MTF of only 20%, everything is almost meaningless. How could one distinguish between the white and
