Canon Lenses Chart
Which of these lenses is the sharpest? Canon?
Admittedly this isn’t a photography question. So everyone pull out the ISO charts you hide under the mattress and lets start comparing…
135mm f/2L
24-70mm f/2.8L
70-200mm f/2.8L IS II
100mm f/2
100mm f/2.8L macro
If I had to grab two of them:
70-200mm f/2.8L IS II it’s the sharpest lens from Canon, no doubt about it.
135mm f/2L is absolutely perfect for portrait, it’s sharp & the bokeh is silky smooth.
Canon Lenses Chart

Canon eos550d/Rebel T2i: Resolution vs. Sharpness in Picture Style