Why is there a 328 on the photography road?

Measure the quality of the lens, several indicators, sharpness, level, color, Jiao Wai, structure, focusing speed, anti-shake.

Canon lenses within 328/220, compared with 328, basically won't win any indicators, and usually lose several items. To understand what a near-perfect lens is, you have to be at least 328/220 to get started. Of course, the 428 Canon is more perfect.

It's just a fixed-focus gun, its use is somewhat limited, the price is there, and there are few users.