CANON is a small white 70-200mm F4L IS full metal frame ring 300mm F4L/400mm F5.6L/80-200mm F2.8L small black also applicable.
CANON 小小白 70-200mm F4L IS 全金屬腳架環 300mm F4L/400mm F5.6L/80-200mm F2.8L小黑也適用