Originally Posted by MissK
Oh my... that is one sharp lens. Ok. I must have this. I have made up my mind. 
One question if I may: Is the 16-50 as sharp as this?
The 16-50 is pretty sharp, but it's hard to beat the 50-135.... at anything.
The 50-135 is superior at 50mm, the FL the two have in common - but that's not
surprising, the long end of wide-mid zooms is often their weak point.
A good copy of the 16-50 is class-leading, IMO. You can judge for yourself by
looking here.
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K20D + K2000
DA* 50-135 f2.8 | DA 12-24 f4, 35ltd f2.8 Macro | FA 77ltd 1.8, 43 ltd 1.9, 35 f/2 | F 50 1.7 | K 55 1.8, 35 3.5 | M 200 f4, 135 3.5, 100 2.8, 85 2, 50 1.4, 50 1.7, 28 2.8, 75-150 f/4 | Super Takumar 135 f3.5, 55 f2, 55 1.8, 50 1.4, 35 3.5 | Vivitar 100 2.8 Macro, 28 2.8 ("K2") | Tamron 28-75 2.8 XR LD Di , 70-200 2.8 LD Di Macro | Sigma 70 f/2.8 EX DG Macro | Cosina 55 f/1.2
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