Introduction
The EF 16-35mm f/4L IS USM is a new professional ultra-wide zoom lens for Canon’s full-frame and APS-C DSLRs. Featuring an ultrasonic motor for smooth, precise and quiet continuous auto-focusing, a Subwavelength Coating and an Air Sphere Coating (ASC) on the lens elements to reduce flare and ghosting, and 9 rounded diaphragm blades for smoother bokeh, the weather-resistant Canon EF 24-105mm f/4L IS II USM is ideal for landscape or architecture photography. The Canon EF 16-35mm f/2.8L III USM is available now for £2349 / €2999 / $2199 in the UK, Europe and the USA respectively.
Ease of Use
For a professional L-series ultra-wide-angle zoom, the Canon EF 16-35mm f/2.8L III USM isn’t too big and bulky considering the versatile focal range that it covers, weighing in at 790g and measuring nearly 13cm in length. While you can use it on a smaller APS-C body for a 24-52mm equivalent angle of view, it won’t balance as well – as demonstrated by the images below, it’s a much better match for a professional-grade, full-frame camera like the EOS 5D Mark IV.
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https://www.photographyblog.com/reviews/canon_ef_16_35mm_f2_8_l_iii_usm_review
