Alternatives include Canon's flagship standard zoom, the EF 24-70mm f/2.8 USM, which has a fantastic reputation for the quality it delivers and costs around £90 more at £875. Canon EF 24-70mm f/4L IS USM Lens. The same lenses are shown below in their fully extended states with their lens hoods in place. With the hoods removed, the 16-35 f/4L IS is slightly larger than the other L lenses in this comparison. Add the hoods, extend the 24-70 f/4L IS to 70mm and the 16-35 f/4L IS appears considerably smaller in comparison. Shop Canon EOS C70 4K Video Mirrorless Cinema Camera with RF 24-70 f/2.8 L IS USM Lens Black at Best Buy. Find low everyday prices and buy online for delivery or in-store pick-up. Price Match Guarantee. The 24-70 f4L IS has a 1:2 magnification but the working distance to achive that is very small. So in the real world it's more of a 1:3, 1:4 or 1:5 magnification. This is still great considering it's a zoom. Yes, it has that focus shift problem but not in the macro mode. Read my review regarding it: Canon - EOS C70 4K Video Mirrorless Cinema Camera with RF 24-105mm f/4 L IS USM Lens - Black. Model: 4507C015. SKU: 6549514. The EF 24-70mm f/4L IS USM is the perfect zoom to complement full-frame DSLRs like the EOS 6D. With 2 aspheric and 2 UD elements, the EF 24-70mm f/4L IS USM delivers high-quality images with excellent detail throughout the entire zoom range. A 9-blade circular diaphragm delivers beautiful, soft backgrounds. It offers a minimum focusing distance Canon has put forward a patent application for a Canon RF 24-70mm f/4 L, which could be a potential game-changer! While potentially a little sparse when it was first launched, the Canon RF mount is steadily being populated with lenses. However, there are still some gaps in the RF-mount Canon lens line-up that could definitely do with being filled. Canon EF 24-70mm f/4 L IS USM Preview. Back in September Canon introduced the EOS 6D, its entry into the nascent 'compact, lightweight' full frame SLR segment. With the launch of the EF 24-70mm f/4L IS USM, Canon has now revealed what's destined to be its 'kit' lens. The newcomer is relatively compact in size to match the ethos of the 6D body As an alternative to the professional-grade 24-70mm f/2.8 L II, the Canon EF 24-70mm f/4L IS USM is an excellent choice. It’s not going to produce the same quality of bokeh or produce the same results in low-light, but the trade-off is a lens that’s lighter, easier to manage and more affordable. Canon RF 24-70mm f/2.8 L IS USM Zoom for RF-Mount: $2,299; The Testing. The images below were all captured within 15 minutes of one another on a tripod at 24mm, 35mm, and 70mm at both f/2.8 and f uFSzb.