Tamron 24mm f/2.8 Di III OSD M 1:2 Lens vs Canon EF 100-400mm f/4.5-5.6L IS II USM

We couldn't find enough data on either product to be able to come to any reliable conclusions. We highly recommend that you take a look at some other options instead.

The Tamron 24mm f/2.8 Di III OSD M 1:2 Lens hasn't managed to earn a top spot in any roundups from sources that conduct trustworthy hands-on testing. Nevertheless, reviewers from sites, such as Digital Camera World, PCmag, Wirecutter, and shotkit.com all gave it a spot on their list.

As for the Canon EF 100-400mm f/4.5-5.6L IS II USM - it impressed reviewers at MakeUseOf, a trustworthy source that conducts solid hands-on testing. It did great in its "The Best Lenses for DSLR Cameras" roundup - in fact, it earned its "Ranked 1 out of 7" title, which, on its own, indicates a certain level of quality.

We conducted an analysis of all of the review data that we could find on these two products. First, we focused on sources that tested and rated both of them, like PCmag, and learned that they all showed a preference for the Canon EF 100-400mm f/4.5-5.6L IS II USM.

Then we took a look at the highest review scores that these two Camera Lenses received. We found that the Tamron 24mm f/2.8 Di III OSD M 1:2 Lens managed to earn a rating of 10 from Digital Camera World, whereas the Canon EF 100-400mm f/4.5-5.6L IS II USM got its highest, 9, score from reviewers at Digital Photography Review.