
Canon has been feeling out certain users’ thoughts for replacements to the EF 28-300mm f/3.5-5.6L IS USM and EF 100-400mm f/4.5-5.6L IS USM lenses. One of the common complaints of the two lenses is the push-pull zoom design, which leads them to be regarded as “dust suckers.” Additionally, the lenses are rather slow at the long end of the zoom at f/5.6; however, that allows them to remain compact in spite of their long zoom range. [Read more…]










