The design of Tokina 16-50, 50-135, 12-24 also come from Pentax, which happened three years ago. At that time you also have some thread on that fact, like this: http://ricehigh.blogspot.com/2007/03/scary-tokina....

Why didn't u say "hurt much the sentiments of ..." at that time?

K5 has 9.71ev, 60d only 7.42ev.

According to the result from this site. The dynamic range of K5 with 9.71 ev is higher than any other DSLR, no mid-format, matter full frame, aps-c... It is higher than the second one (Leica S2, mid-format...) 2ev, also 2.31ev higher than 60d. We call this blow out...

Canon 60d 7.42ev http://www.slrclub.com/bbs/vx2.php?id=slr_review&...
Leica S2 mid-format 45mmx30mm sensor 7.67ev http://www.slrclub.com/bbs/vx2.php?id=slr_review&...
Leica X1 7.09ev http://www.slrclub.com/bbs/vx2.php?id=slr_review&...
Sony A850 full frame 6.87ev http://www.slrclub.com/bbs/vx2.php?id=slr_review&...

Pentax, congrats, amazing...

same site, review for canon 60d http://www.slrclub.com/bbs/vx2.php?id=slr_review&...
From this review, the dynamic range of 60d is 7.42ev, 2.31ev less than K5. Similar difference to dxo result.

However, Canon 60d also no bad in dynamic range test, cause the 7.42ev is the No. 3 from this website. Attached are the dynamic range results for the other DSLR. Amazing...

Leica S2, middle format, 45mmx30mm sensor, 7.67ev http://www.slrclub.com/bbs/vx2.php?id=slr_review&...
Leica X1, 7.09ev http://www.slrclub.com/bbs/vx2.php?id=slr_review&...
a850, full frame, 6.87 http://www.slrclub.com/bbs/vx2.php?id=slr_review&...
nex 5, same sensor, 6.70ev http://www.slrclub.com/bbs/vx2.php?id=slr_review&...

k7 6.62ev (compare to nx10 and nx100, it is obviously that Pentax just know how to get better dynamic range performance even with same sensor) http://www.slrclub.com/bbs/vx2.php?id=slr_review&...

nx10 6.14 http://www.slrclub.com/bbs/vx2.php?id=slr_review&...

nx100 5.92ev http://www.slrclub.com/bbs/vx2.php?id=slr_review&...

Congrats, Pentax.