24-70 f2.8 L II; 16-35 f2.8 L III; 16-35 f2.8 L III and retain the old 24-70 f2.8 L Series 1, in case it's worth it !) Thanks. K. The 16-35 / 4L IS is much smaller, lighter, and less expensive than the 16-35 / 2.8L III and for landscape photography, you'll likely be at f/5.6 or higher f-numbers.
Breaking that down further, 17 are wide or ultra-wide angle including the new optically excellent Sigma 35mm f/1.4DG HSM A and Canon EF 35mm f/2 IS USM, the Canon EF 28mm f/2.8 IS USM and the exquisite but pricey Carl Zeiss Distagon T* 2,8/15 (15mm f/2.8) ZE. Standard and short telephoto lenses account for another 25 lenses, while a further 5
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