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It features a 16× optical zoom and a 320× digital zoom, a 2.5-inch LCD screen, and a manual focus feature. It also features manual adjustment for brightness, audio volume, exposure, white balance and has several built-in digital effects, including nine fades and nine video effects.
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 ...
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 continuous optical zoom, whereas nearly all smartphones feature a collection of prime lenses interpolated by ...
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.
Telephoto 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 ...
The lens has been revised to provide a shorter focal length, though the optical zoom range remains unchanged. The focal length is now 3.45–41.4 mm instead of the 4–48 mm of the previous model (effectively a magnification of 0.85 times). The lens gains one third of a stop in speed at the wide angle end only as a result. [24]
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