请教：这四个哪个是大家常说的小白？

Canon EF 70-200mm f/4 L USM
Canon EF 70-200mm f/4 L IS USM
Canon EF 70-200mm f/2.8 L USM
Canon EF 70-200mm f/2.8 L IS USM





Above from left to right are the Canon EF 70-200mm f/4 L USM Lens, Canon EF 70-200mm f/4 L IS USM Lens, Canon EF 70-200mm f/2.8 L USM Lens and Canon EF 70-200mm f/2.8 L IS USM Lens. The two f/2.8 lenses are shown with their included tripod rings. The f/2.8 IS lens is shown with an optional Wimberley P20 Lens Plate attached to the tripod ring. The same lenses are shown below with their included lens hoods attached.

所有跟贴:
• #3 -U96- ♂   (0 bytes) (4 reads) 5/7/08  • 3小白、4爱死小白 -春日的风- ♂   (0 bytes) (8 reads) 5/7/08  • 哈哈,我还不知道#4有这样的美命. -Fruitpassion- ♀   (0 bytes) (3 reads) 5/7/08  • 哈哈，你爱得还不够。 -春日的风- ♂   (0 bytes) (3 reads) 5/7/08  • 4爱死. 这下明白了! 谢谢U班和春风. -阿椿- ♀   (24 bytes) (17 reads) 5/7/08