What focal length is it?
佳能 EF 17-40mm F4L USM (EF) is listed as 17-40mm lens in the 佳能 EF mount.
佳能 EF 17-40mm F4L USM (EF)
CanonLens全画幅佳能 EF475 gReleased 01/01/2003
TODO(translate): 佳能 EF 变焦镜头 · 17-40mm F4 · 原厂。
Specifications
Source:Canon Official| 卡口 | 佳能 EF |
|---|---|
| 对焦 | 自动对焦(USM 超声波马达) |
| 焦段 | 17-40mm |
| 画幅 | 全画幅 |
| 系列 | 佳能 L 红圈 |
| 重量 | 475 g |
| 光圈类型 | 恒定 |
| 厂商定位 | 原厂 |
| 发布年份 | 2003 |
| 最大光圈 | F4 |
| 镜头类型 | 变焦 |
Quick answers
Which camera system is it for?
It is indexed for 佳能 EF and 全画幅. Check compatibility before buying if you use adapters.
How do I compare it?
Compare aperture, weight, reference price, user rating sample size, review links, and similar lenses in the same mount.
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English reviews
4Community dimension scores
—/ 50 ratings · low sample
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RMB reference price
New¥2,500 - ¥3,500
UsedReference estimate¥1,300 - ¥1,700Updated 06/10/2026
Price source
- Used-market estimateObserved 06/10/2026
- JD.com (1st-party)Observed 06/10/2026
Recommend to a ranking
- TODO(translate): 镜头从夯到拉Suggest to editors and the algorithm
- TODO(translate): 新手推荐镜头Suggest to editors and the algorithm
- TODO(translate): 国产镜头关注榜Suggest to editors and the algorithm