Say what you might, the launch of the Canon EF 24–70 mm f/4L IS USM was a huge surprise. The EF 24-105 f/4L IS USM model has been available on the market for some years at that time and it enjoyed a very favourable opinion so presenting an instrument with a narrower focal range and a significantly higher price tag seemed rather counterproductive. Size comparaons between the Canon EF 24-70mm f/2.8L USM and the EF 24-105mm f/4L IS USM with the zoom barrels fully retracted (70mm for the 24-70 and 24mm for the 24-105) and hoods attached. Note EW 83F hood on the 24-70 is covered with gaffer tape, and normally would be smooth plastic similar to the hood on the 24-105. Canon EF 24-70mm f/4L IS USM Lens. Excellent Image Quality, Macro Capabilities, Excellent Build Quality, Image Stabilization, Weather Sealing, Macro Capabilities. With great image quality, a key focal length range, light weight, and image stabilization, the 24-70 f/4 IS L makes a great general-purpose landscape lens. I have a Canon EF 24-70 f/4L IS USM. Bought it secondhand and like it. My choice was made because I found a good deal, but the 24-70 has less distortion and chromatic aberration and it has a Macro function compared to the 24-105 lenses. Edit: But I also had that lens before I bought the R6, so wasn't really thinking about the R6 body when I The EF 70-200mm f/4L IS USM is a lightweight, compact L Series telephoto zoom lens with Image Stabilization, proving up to 4 stops of correction. Optical construction includes one Fluorite and two UD (ultra low-dispersion) elements. Designed for use on Canon's APS-C and full-frame DSLRs, this weather-sealed lens is solidly built and capable of Tamron 24-70 VC vs. Canon 40mm Pancake Canon RF 50mm F1.8 STM Review Canon EF 50mm f/1.8 STM Review Canon EF 85mm f/1.4L IS USM Review Canon RF 85mm F2 IS STM UVD6IM.