Search results
Results from the Tech24 Deals Content Network
The Canon EF-S 55–250mm f / 4–5.6 IS lenses are a series of telephoto zoom lenses for Canon EOS digital single-lens reflex cameras with a Canon EF-S lens mount. [1] [2]All versions of the lens provide a 35 mm equivalent focal length of 88–400mm, and are advertised by Canon as providing four-stop image stabilization.
A telephoto lens, also known as telelens, is a specific type of a long-focus lens used in photography and cinematography, in which the physical length of the lens is shorter than the focal length. [ 1]: 93 This is achieved by incorporating a special lens group known as a telephoto group that extends the light path to create a long-focus lens in ...
The 18–55mm USM lens. The Canon EF-S 18–55mm lens f/3.5–5.6 is a Canon -produced wide-angle to mid telephoto zoom lens for digital single-lens reflex cameras with an EF-S lens mount. The field of view has a 35 mm equivalent focal length of 28.8–88mm, and it is a standard kit lens on Canon's consumer APS-C DSLRs.
First, the full name: It's the Fujinon XF50-140mm f/2.8R LM OIS WR lens. Break out your decoder rings and you'll find we're dealing with a telephoto zoom with a constant max aperture of f/2.8, an ...
The first auto-everything 35mm point-and-shoot camera with built-in zoom lens, the camera type that dominated the 1990s, was the Asahi Optical Pentax IQZoom (1987, Japan) with Pentax Zoom 35-70mm f/3.5-6.7 Tele-Macro. [113] The next landmark zoom was the Sigma 21-35mm f/3.5-4 (Japan) of 1981. It was the first super-wide angle zoom lens for ...
A photograph taken with a zoom lens, whose focal length was varied during the course of the exposure. Zoom lenses are often described by the ratio of their longest to shortest focal lengths. For example, a zoom lens with focal lengths ranging from 100 mm to 400 mm may be described as a 4:1 or "4×" zoom. The term superzoom or hyperzoom is used ...
You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.
Smartphone lenses are often marketed in terms of "optical zoom" [ 1] relative to the phone's main camera. For example, 120mm is usually referred to as "5× optical zoom", because the main camera's focal length is commonly around 24mm. However, only a few smartphones, such as the Sony Xperia 1 IV and V, include a true zoom lens that offers ...