本帖最後由 pc1668 於 2016-9-27 14:08 編輯
應該換零件,可能齒輪崩了。
lv123 發表於 2016-9-25 09:09 
Failed in just 2 years, it's not acceptable
Anyway, I had 2 Canon L glasses that were failed in less than 2 years.
In contrast, I have a couple of Nikon glasses (AF-S and AF-D) that worked for more than a decade without any problem. |