Wide, Sharp, Reliable: Canon EF 17-40mm F/4L USM Review
![A product shot of a black Canon EF 17-40mm f/4L USM lens, standing upright on a black background. The red ring, a key feature of Canon's professional-grade L-series lenses, is clearly visible near the top of the lens. The focus distance window and zoom markings are also prominent.]()
IntroductionIf you’ve ever wanted a lens that balances sharpness, wide coverage, and reliability, then the…
James NnoromAugust 22, 2025