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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.
A screenshot of Kirby and the Forgotten Land, featuring Kirby rolling down a hill after ingesting a pipe, using the 'Mouthful Mode' as introduced in this game. Kirby and the Forgotten Land is the first platform game in the series with full 3D gameplay, where the player must guide Kirby through various different stages to save the Waddle Dees at the end.
The EF 100–400 mm f / 4.5–5.6L IS USM is a professional EF mount telephoto zoom lens manufactured by Canon Inc. The first version of this lens was announced in September 1998, and an updated version was announced in November 2014. It is a high performance telephoto lens most often used for sports and wildlife photography.
Canon EF 35mm lens; Canon EF 38-76mm lens; Canon EF 40mm lens; Canon EF 55–200mm lens; Canon EF 70–200mm lens; Canon EF 70-300mm lens; Canon EF 80-200mm lens; Canon EF 85mm lens; Canon EF 100mm lens; Canon EF 100–200mm lens; Canon EF 100-300mm lens; Canon EF 180mm f/3.5L Macro USM lens; Canon EF 200-400mm lens; Canon EF 500mm lens; Canon ...
This is a list of official Dungeons & Dragons adventures published by Wizards of the Coast as separate publications. It does not include adventures published as part of supplements, officially licensed Dungeons & Dragons adventures published by other companies, official d20 System adventures and other Open Game License adventures that may be compatible with Dungeons & Dragons.
The Panasonic Leica DG Vario-Elmar 100–400 mm f / 4.0-f / 6.3 lens is a digital compact telephoto zoom lens for Micro Four Thirds system cameras. It is a varifocal lens branded with the German label Leica , but is currently manufactured in China by Panasonic , previously Japan.
The extender, when engaged, increases the lens' focal length by a factor of 1.4×, while decreasing the aperture by a single stop, changing the lens to a 280–560 mm f/5.6 lens. The extender is activated and deactivated by a mechanical switch close to the lens mount.
The f-number of the human eye varies from about f /8.3 in a very brightly lit place to about f /2.1 in the dark. [17] Computing the focal length requires that the light-refracting properties of the liquids in the eye be taken into account. Treating the eye as an ordinary air-filled camera and lens results in an incorrect focal length and f-number.