聚焦系统
| 最近聚焦距离 |
0.28 m |
| 光阑叶片数量 |
7 |
| 变焦范围 |
35 mm |
| 变焦能力 |
0.24 |
Canon EF 17-40mm f/4L USM. Lens structure (elements/groups): 12/9, Closest focusing distance: 0.28 m, Zoom range: 3.5 cm. Compatible products: - EOS 1000D - EOS 450D - EOS 500D - EOS 550D - EOS 60D - EOS 7D - EOS 5D Mark II - EOS-1D Mark IV - . Colour of product: Black. Diameter: 8.35 cm, Filter size: 7.7 cm, Length: 9.68 cm