Lens Reviews / Canon Lenses i Not yet tested. Lens Review; Lens Specifications; Name: Canon RF 24-105mm f/4L IS USM: Image Circle: 35mm (RF-mount) Type: Standard Zoom: Focal Length: 24 - 105mm The vignetting will stay below 1 EV (f-stop) even at 24mm f/4 - at cost of increased corner noise due to signal amplification. MTF (resolution) The Canon RF 24-105mm f/4 USM L IS does a very good job when it comes to image resolution. The sweet spot is at 24mm, where it is capable of producing a very sharp image across the entire image frame Cuo1. Canon RF 24-105mm f/4L IS USM Sample Images. Canon EOS R + RF24-105mm F4 L IS USM @ 80mm, ISO 1250, 1/100, f/13.0. The vignetting will stay below 1 EV (f-stop) even at 24mm f/4 - at cost of increased corner noise due to signal amplification. MTF (resolution) The Canon RF 24-105mm f/4 USM L IS does a very good job when it comes to image resolution. The sweet spot is at 24mm, where it is capable of producing a very sharp image across the entire image frame Canon RF 24-105mm F4-7.1 or Canon RF-S 18-150mm F3.5-6.3 upvotes Radeon, Zen3, RDNA3, EPYC, Threadripper, rumors, reviews, news and more. /r/AMD is community run When the Canon 24-105mm II came out I was able to test two copies against two copies of the Sigma 24-105mm. A few observations: Autofocus on the Canons was more precise, but the Sigma was good for the Art range and the f/4 maximum aperture meant that slight misfocuses did not result in an out of focus image. Overall a win for Canon.

canon rf 24 105mm f 4 review