Both Sony’s and Canon’s f/4 variants are in the neighborhood of $1,000 less expensive than their f/2.8 counterparts, with Canon’s edging toward something that could be legitimate ‘budget’ for an L lens at $899. 24-105mm. The 24-105mm is a Canon creation that gained popularity through the 24-105mm f/4L IS USM’s wide distribution as a Shot on the Canon EOS RP with Canon RF 24-105mm f/4 IS USM (1/1000 sec, f/4, ISO200) Build and handling. Arguably the most impressive thing about the Canon EOS RP is its tiny form factor. Weighing just 485g including a battery and memory card, it’s 175g lighter than the EOS R and 280g lighter than the EOS 6D Mark II. The Canon EF 24-105mm f/4 L IS MKII USM Lens is a Canon L-series zoom, an advanced one-lens solution, covering wide-angle to short-telephoto focal lengths, featuring a constant f/4 maximum aperture. Version II of this popular lens sports a redeveloped optical design, which includes four aspherical elements to significantly reduce distortion and Canon EOS R6 II, RF 14-35mm f/4 L IS USM at 14mm, f/4 at 1/80 at Auto ISO 2,500, -1 stop exposure compensation (LV 5.7), Skylum Luminar Neo. More tech details. bigger or fit-to-screen. High ISO Performance performance top. Hi ISOs look great: Complete Images details dark detail performance top The Canon EF 24-105mm f/4 IS II USM is a pleasure to use, is reliable and is capable of some very fine results. It is not perfect, but, as always, knowing what the design parameters are helps us AlOog.