"Conclusion - Pros
Excellent optical quality
Very good macro capability
Relatively lightweight for its class, but still generally solid build
Low price

Conclusion - Cons
Slow and noisy autofocus motor
Somewhat clunky manual focus switchover mechanism
Tendency towards slight misfocusing (at least in Canon mount) "

Nic nowego nie wymyślili Miło się czyta "Excellent optical quality" :]