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16 35mm canon3/12/2023 16mm is definitely ultra-wide and 35mm often considered to be a wide standard lens, so there is plenty of scope from vast interiors to street photography.ĭust and moisture sealing are most welcome, but the absence of IS (Image Stabilisation) less so. The focal length range is not overly large, but nonetheless covers some very useful areas. Handling soon reveals this to be a beautiful lens to use. Coatings are described as sub-wavelength and air sphere, the intent being to reduce any internal reflections or flare to the absolute minimum. Traditionally ground aspheric elements are also in the formula, as well as using ultra-low dispersion glass. Optical construction is 16 elements in 11 groups, with an extremely interesting large-diameter glass moulded double aspheric group at the front of the lens. The 9 bladed diaphragm gives a more circular aperture than the previous model's 7 blades, aiming to improve the quality of the out of focus areas or bokeh. ![]() The markings are very accurate and a particular length can be set with a high degree of accuracy. There is also an index mark for infrared photography, as IR light focuses at a different plane to visible light unless a lens is specially corrected.įinally, the zoom ring is also smooth in operation and clearly marked. There is an AF/MF switch and, behind a small window, a focusing scale marked in feet and metres. Focusing is via a ring type USM motor and is fast, efficient and accurate. Focusing is down to 0.28m (0.92 feet) and at 35mm offers a maximum magnification of 0.25x, or 1:4. This can be used, for example, to tweak the focus position after AF has been achieved. This operates even when AF is engaged, making full-time manual focus possible. This is not as efficient as having a removable slot or even a sliding access panel as some other makes provide.Īs we move closer to the camera body, we next find the wide and smoothly operating manual focus ring. It is possible to use filters, but in the case of polarisers it is unfortunate that the lens hood has to be removed to rotate the filter. The bayonet lens hood fits precisely and a catch has to be released to remove it, making it secure. The lens is weather sealed, a huge advantage when shooting outdoors. The quality of construction is very high and the balance of the combination just about perfect, making the lens feel much lighter than its 790g. The lens was coupled with the Canon EOS 5D Mark IV for this review, and the two are a perfect match for each other. ![]() Canon EF 16-35mm f/2.8L III USM Handling and Features Let's see how it performs and whether it is worth its not inconsiderable price tag. With a useful f/2.8 constant aperture and ultra-wide 16mm focal length this would be a versatile lens for much general work, including architecture, weddings and reportage. Canon 16-35mm L lenses have an enviable reputation for quality and we now have the latest incarnation as the Mk III version.
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