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The 400mm f / 4 DO IS II USM, which replaced an earlier version of the same lens in 2014, [3] is one of only two Canon lenses that make use of diffractive optics (the other is the EF 70–300mm f/4.5–5.6 DO IS USM). The use of diffractive optics allows the lens to be significantly lighter than it might otherwise be.
The new Canon EF 100-400mm f/4.5-5.6L IS II USM was announced on 11 November 2014 (10 November in the United States due to time zone differences from Japan), with availability expected the following month. Among the changes from the Mark I version are: [3] [4]
The maximum aperture of f / 2.8 or f / 4 gives this lens the ability to create shallow depth of field effects, while the eight- or nine-blade diaphragm produces smooth background blur. The optical construction of this lens contains 15 lens elements, including two UD (Ultra low dispersion ) lens elements for the f4 IS USM (for other ...
The 70-200 mm f/2.8L lens. Canon's series of L lenses (Luxury lenses) are a professional line of photography lenses made by Canon.Canon has sold zoom and prime L-series lenses for the discontinued FD lens mount, for the current EF lens mount used on all Canon EOS SLR cameras and for the RF mount used on mirrorless interchangeable-lens cameras.
The EF 200–400 mm f / 4L IS USM Extender 1.4× is an EF mount super telephoto zoom lens produced by Canon. It is part of the professional L-series and functions with the Canon EOS line of cameras. The EF 200–400 mm lens features an ultrasonic motor, image stabilization and weather sealing.
From left to right: EF 28-300mm f / 3.5-5.6L IS USM, 70–200 f / 2.8L IS USM, 300mm f / 2.8L IS USM, 500mm f / 4L IS USM. The EF 500mm lenses are a group of super-telephoto prime lenses made by Canon that share the same focal length. These lenses have an EF type mount, and fit the Canon EOS line of digital single lens reflex cameras.
That lens was the Canon EF 24mm f/2.8 IS USM. Canon in 2013 created the first telephoto with built-in 1.4× extender. That lens was Canon EF 200-400mm f/4L IS USM Extender 1.4x.
The EF 200mm USM lens is an L-series prime telephoto lens made by Canon Inc. for the EOS line of cameras. Four 200 mm primes were made: f / 1.8, two f / 2.8, and the most recent f / 2.0. The 200 mm f / 1.8 USM lens, introduced in November 1988, is the fastest 200 mm ever produced. [1] It is a large off-white lens with rear drop-in filter tray.