[50D]

1. EF 28-300mm f/3.5-5.6L IS USM
2. EF 70-200mm f/4L IS USM + EF 24-70mm f/2.8L USM
3. EF 70-200mm f/2.8L IS USM + EF 24-105mm f/4L IS USM
budget around 20K! 想入鏡Upgrade!

[metalabyss]

2或3視乎個人需要吧

但我寧願儲多陣錢買兩支2.8

[jsklee]

what kinds of photo do you want to take?

[50D]

1. 經常室內外影小朋友...(走來走去個隻...所以唔要定焦)
2. 間中出去影下蝶呀...虫呀！咁...