[jimw]

Background:
400d...only, 用緊sigma 18-200mm 3.6-5.x IS 鏡.

剛入了個17-40mm F4L, (因17-55mm EFS F2.8 IS 成個mk都冇貨..)
也會bring 部 GF-1 with 20mm F1.7 作 snapshot 用.

1) 想買多支定焦去旅行用, should i buy 50mm F1.4? is it necessary?
2) only buy a CPL or UV + CPL (one for daylight , one for night)

感謝大家