Canon EF-S 18-135mm f/3.5-5.6 IS Lens Review Canon EF 70-300mm f/4-5.6 IS USM Lens Review Canon EF 70-200mm f/4.0 L USM Lens Review The 24-105 lens is absolutely great, but 24mm on a crop body (everything other than a 5D or 1D/s) is not very wide. Zoom your current lens to 24mm and take a pic.
Top quality build and optics. Good (but not perfect) range on a crop camera. You will be missing ultra-wide (24mm is like 35 mm on a full frame camera) and f/4 is not ultra-fast. Personally I shoot with primes, nothing slower than f/2.8, but I often use them at f/4 or more stepped down. The Sigma has less vignetting. Looking at the specs and measurements, the Canon RF 50mm F1.2 L USM Lens vs. Sigma 50mm f/1.4 DG HSM Art Lens comparison shows these two lenses being rather similar. The Sigma is slightly lighter and smaller, but not weather sealed. The Canon has one additional aperture blade, 10 vs. 9. John Riley reviews the new Canon RF 24-105mm f/4L IS USM, the standard kit lens for the EOS R. Used Canon EF 70-300mm f/4.5-5.6 DO IS USM. Canon RF-S 10-18mm F4.5-6.3 IS STM Lens Hands-OnYes, in a way. The Canon EF 24-105mm f/4L IS is an excellent lens that few people are complaining about. It isn’t the “sexiest” or most exotic option out there, but it is extremely competent with a great build quality, good optics, and a solid IS system. It is a member of Canon’s “L” series, and though it is more accessible and
Value For Money. Currently, this lens is available for around £405, which seems quite reasonable. Canon's 24-105mm f/4L IS USM is the closest equivalent, costing £640, which has a constant f/4P1M0.