優點:
I have the 2nd version. This is the 1st choice in my stuff.
意見:
The quality is excellent in terms of sharpness, color, built..
This is the 1st choice in my stuff amongst 20 f2.8, 35 f2, 50 f1.4, 50 f2.8 macro, 85 f1.4, 11-18, 28-70 G, 70-210 f4, 80-200 G, Sigma 18-50 f2.8