可以幫我看看下面這三種.該選哪一種呢?真是不好意思...

1.http://www.amazon.com/Opteka-58mm-H...ie=UTF8&s=photo

2.http://www.amazon.com/Opteka-58mm-H...7476122?ie=UTF8

3.http://www.amazon.com/Opteka-Defini...ie=UTF8&s=photo

麻煩各位先進了..謝謝..