The Canon 300mm f/4 L IS USM does very well in Hummingbird photography for instance! This lens is one of the sharpest lenses there is in that price range. Sharpness is very good at f/4, with a slight improvement at f/5.6. Color and contrast are very good, while blurs are pleasing thanks to the 8 blade aperture. Canon EOS R6 Canon EF 100-400mm F4.5-5.6L IS II Canon EF 70-200 F4 II Canon RF 24-105mm F4L IS USM Samyang AF 85mm F1.4 RF +3 more Reply Reply with quote Reply to thread Complain The Canon EF 75-300mm f/4-5.6 III USM Lens is quite small and very light. It extends significantly when zooming to 300mm, but is very easy to carry around. The 75-300mm focal length is very useful. A wide variety of uses can be found for this range including portraits/people, pets, nature Canon's current 70-200mm options: (left) the RF 70-200mm F2.8 L IS USM and (right) the RF 70-200mm F4 L IS USM. The second major lens to prove the concept was the hugely popular Canon EF 24-105mm F4L introduced in 2005. CANON EF 70-200mm F4 L IS II USM Lens Skin. Sale price $45.99. Choose options Quick view. CANON RF 24-105mm F4L IS USM Lens Skin. Sale price $35.99. Choose Canon EF 24/2.8L IS USM review. The Canon EF 24-70mm f2.8 IS USM is a smaller, lighter, lower cost alternative to the 24-70/2.8L II USM with the added benefit of image stabilization. Canon have a number of f4L lens alternatives to their faster f2.8L lenses, including the 17-40/4L and the 70-200/4L models. The EF 24-70/4L IS USM is the latest The RF 14-35mm f/4L IS USM is a brand new ultra-wide-angle zoom lens from Canon. Its impressive range of 14mm all the way to 35mm with a constant f/4 aperture in an L-series full-frame lens is a Resolution and 50% MTF are better in both the 28-70mm and the 24-70mm f/2.8L zooms than in the 28mm f/2.8 prime. 50% MTF is better in the 24-70 than in the 28-70. 50mm The 24-70 has better MTF performance than the 28-70 at f/2.8 and f/4. The 50mm f/1.4 prime outperforms the zooms at f/4 and f/5.6. 70mm The EF 28-70mm has better 50% MTF P8zKlA.