The M.Zuiko 300mm f4 IS Pro is an excellent pro supertelephoto lens for the Micro Four Thirds mount.
A midrange Zeiss and 5.8x power zoom fill some holes in the E-mount lineup.
The 55-250mm f3.5-5.6 STM fills a big hole for the dual-lens kit devotees of the company's latest Rebel models.
You get you what you pay for with the Canon EF 200-400mm f/4L IS USM Extender 1.4X: superlative performance and flexibility.
The company rounds out its consumer lens lineup with a 55-300mm model.
The Canon EF 70-200mm f4 IS USM L lens is a professional grade 70-200mm lens without the size and heft, as well as price, as found in f2.8 versions.
The company's ambitious pro lens is sharp and steady. Tested with the OM-D E-M1.
Olympus' super-telephoto lens will cut down on the amount you have to schlep around.
A lightweight, compact design coupled with its stabilized 400mm-equivalent focal length zoom and affordable price make the Canon EF-S 55-250mm f4-5.6 IS a versatile lens for entry-level shooters and amateurs on a budget.
The widest full-frame lens to date comes courtesy of Canon.