not best looking but still far from terrible

and 不是金属；不防水防尘（现在标准）；没有纳米涂层

I was aware of all above, but I still bought it instead of waiting for it's never come 2nd generation upgrade version.

here are its bests:

 

发色；锐度；对焦速度。。。

 

还有这个；有点吊：

研磨非球面：the one and only