Canon_Guy wrote: I went from EF 24-105/4 version 1 to RF 24-105/4 together with my transition from 5D mk Iii to R6. Optically, it is an upgrade. When you pixel peek 1;1 on your monitor, RF is a bit sharper in general. The 105mm end wide opened is clearly better. But RF sometimes suffers more from CA's. These are rare occassions. I fit my R6 with RF 24-105 f4L attached and I have room for my RF 50 1.8 and RF 16 2.8. CANON RF 24-105MM F4 L IS USM In-depth testing Latest Camera Reviews Looking for an incredibly versatile lens to add to your photography kit? Look no further than the Canon RF 24-105mm F4 L IS USM. Originally released in 2018 RF 24-240mm / RF 24-105 f/4 L prints viewing at normal viewing distance. Base upon my use of the RF 24-240mm I agree with the others that appreciate the lens, and Scott Kelby's video about the lens HERE. Bottom line, yes a 24-105 "L" 4X zoom range lens ' SHOULD ' be sharper than a non-"L" lens with a 10X zoom range. I'd get my RF 24-105L IS USM at Adorama, at Amazon, at B&H or at Crutchfield, or used at eBay if you know How to Win at eBay. Overall. Performance top. This is a 24-105 we can all love, and its optics are beyond any other 24-105mm. Autofocus. Performance top. Autofocus is fast and super accurate on my EOS-R. Manual Focus. performance top 45 Megapixel Full-frame CMOS Sensor. The EOS R5 camera features an entirely new Canon-developed CMOS sensor with approx. 45 effective megapixels. It employs the DIGIC X Image Processor to enhance the speed of operations. This means fast, efficient performance and phenomenal image quality. Color is typical for Canon L lenses, with good color saturation that isn’t over the top. There’s a nice balance to the color response that I find quite pleasing. Pool on Massies Creek – Canon EOS R6 with Canon RF 24-105mm f/4L IS @ 58mm, f/16, 30s, ISO 100. With regards to chromatic aberration, the RF 24-105mm puts in a solid performance. Either lens, the RF24-105L or RF-S 18-150, would give excellent image IQ, especially for more casual use. Despite that, I've opted for the 24-240 as the extended reach gives a bit more versatility and suits my preferred shooting style and subject matter. It complements my RF16 f/2.8, EF-S 24 f/2.8, and the RF 100-500L. While the Canon RF 24-70mm f2.8 L IS USM has beautiful bokeh, it isn’t as good as other lenses in the Canon lineup. In our review, we state: I think the Canon RF 24-105mm f4 L IS USM is a SNBFVGN.