[tinmingw]

75-300mm iii usm 能否加 副廠2x?thx

[kazuya]

加實加到嫁,有無得用AF咁解之麻~

[9997074]

75-300 光圈收到8都唔利....你仲想用2x....

[tinmingw]

唔利冇問題,最緊要影到,噤係味用到2x?

[tinmingw]

75-300mm iii usm 能否加 副廠2x like kenko? pls.

[windman196842]

C Hing 加 副廠2x係一定加到
但可能變左無自動對焦,因有時用原廠2x,都有呢個情況
所以要帶埋自己部機去試, 試過OK,接受到咪買Law.....

[九龍人]

冇自動對焦之餘最大光圈得翻F11,畫質仲要超散,無謂加,crop相好過.

[onjo3]

i tried b4, if light enough, ok
very slow.
not suggest