The Canon EF 17-40mm f/4 L USM lens is still a good purchase for a number of reasons. First, it is a very versatile lens, covering a wide range of focal lengths from 17mm to 40mm. This makes it ideal for a variety of photography applications, including landscapes, architecture, and interiors. Second, it is very well-built and durable, making it a good investment for long-term use.
- Full frame Format Size
- 28cm minimum focusing distance at all focal lengths
- Super-wide-angle zoom for landscapes
- 7 Aperture Blades