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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 ...
A zoom lens is a system of camera lens elements for which the focal length (and thus angle of view) can be varied, as opposed to a fixed-focal-length (FFL) lens ( prime lens ). A true zoom lens or optical zoom lens is a type of parfocal lens, one that maintains focus when its focal length changes. [1] Most consumer zoom lenses do not maintain ...
Canon PowerShot SX720 HS. This is a list of superzoom compact cameras, also known as travel zoom cameras. [1] [2] These are small fixed-lens "point-and-shoot" digital cameras that have a high optical zoom ratio. These cameras all include a power zoom lens that retracts into the body when not in use, along with an automatic lens cover or lens cap.
Interchangeable lenses, one of the most popular lenses is the 3x zoom wide angle lens often used for short films as it has a low price. The camera also has 2 XLR inputs in the back, as well as the capability to add 2 more with an adapter that plugs into the accessory shoe. This makes it useful for use with wireless microphones or other audio ...
The Sony HDR-GW55 was introduced in 2012 and is designed to be held vertically. It is marketed as a waterproof, dustproof and shockresistant Full HD camcorder. It can withstand up to a depth of 5m and accidental drops from 1.5m of height. It comes with a 10 × optical zoom lens.
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 ...
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