None of the 24-70s are perfect. According to various reviews of recent 24-70s, Canon f/2.8 lacks IS, Canon f/4 has focus shift, Tamron f/2.8 is very sharp but has slower and less consistent autofocus, Sigma f/2.8 is apparently "meh" in image quality. Canon EF 24-70mm f/2.8L USM: Performance. Wide open at 24mm, sharpness in the centre is already very good and improves steadily as the lens is stopped down as far as f/5.6 where its performance in Canon EOS 5D Mark IV Canon EF 15mm f/2.8 Fisheye Canon EF 24mm f/1.4L II USM Canon Extender EF 1.4x III Canon EF 24-70mm F2.8L II USM +5 more Reply Reply with quote Reply to thread Complain The only point that remains on the wish list of a potential buyer, will be image stabilization. The Canon 24-70 mm f/2.8 doesn’t offer IS. For our Canon 24-70 II review, we attached this lens to a Canon 5D MK2 MK3, to see if it indeed delivers a better image quality than the old Canon 24-70 mm f/2.8. What would produce better images a Canon EF 70-200mm f/2.8 L IS II with Canon EF 1.4X III compared to the Canon EF 70-300mm f/4-5.6L IS. I tend to use 200-300 length outdoors for sports, kids playing. The 1.4 would stay on outdoors while it would be removed indoors for portraits and for the 2.8 low light. The digital pictures have released comparison images of the new RF 24-70 and the EF 24-70 f2.8 L II, both on the EOS R. The new lens seems to be a better performer at all focal lengths The quality problems I experienced are especially disappointing because this lens has the potential to be a good one. The Sigma 70-200mm f/2.8 EX DG HSM II Macro Lens is well built - Sigma EX lenses generally are. The focus and zoom rings are nicely sized and relatively smooth-functioning with a nice amount of friction. This means that you can make manual adjustments once the AF has finished, without changing to manual mode. has a silent focus motor built into the lens. Canon EF 24-70mm F/2.8L II USM. Canon EF 50mm F/1.2L USM. Lenses with built-in focus motor focus faster and more quietly than lenses without a focus motor which rely on the camera's body focus rbuPPB.

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