Spring often brings a wave of lens promotions, but this week’s deals stand out for the sheer range of systems included. From compact APS-C zooms to flagship telephoto glass, several major mounts are seeing meaningful discounts right now, including Canon RF, Sony E, Nikon Z, Fujifilm X, L-Mount, and Micro Four Thirds. What makes this week especially interesting is the mix of practical everyday lenses and high-end professional optics. There are lightweight travel zooms sitting alongside exotic super-telephotos, while several fast constant-aperture zooms are also seeing rare discounts. For photographers planning summer travel, wildlife trips, or event work, this week’s sales offer a broad cross-section of lenses at noticeably lower prices. This week’s deals are organized by mount, with lenses ordered from the shortest focal length to the longest within each section.…