TELEPHONE LENS Meaning and
Definition
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A telephone lens refers to a type of camera lens commonly used in photography and videography equipment, specifically in cameras with zoom capabilities. This lens is characterized by its long focal length, allowing it to capture distant subjects with greater detail and clarity. The term "telephone" in this context denotes the lens's ability to bring distant subjects closer as if one were using a telephone to amplify sound.
The optical design of a telephone lens includes multiple lens elements arranged in such a way that they enable the lens to magnify distant objects. By increasing the focal length, the lens narrows the angle of view and enhances the apparent size of the subject. This lens is typically used to capture sports events, wildlife, landscapes, or any scenario where the photographer or videographer requires close-up shots of faraway subjects.
Telephone lenses are commonly found in digital single-lens reflex (DSLR) cameras, mirrorless cameras, and camcorders. The lens is either built into the camera body or can be attached externally depending on the camera model. It is often an interchangeable lens, allowing photographers to switch between different zoom ranges according to their specific requirements.
Telephone lenses play a crucial role in bringing distant subjects within reach, enabling photographers and videographers to capture high-quality images or videos with enhanced detail and precision.
Common Misspellings for TELEPHONE LENS
- relephone lens
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Etymology of TELEPHONE LENS
The word "telephone lens" is composed of two parts: "telephone" and "lens".
1. "Telephone" refers to a device used for transmitting sound or voice over long distances. It is derived from two Greek words:
- "tele-" meaning "far" or "distant"
- "phone" meaning "sound" or "voice"
2. "Lens" refers to a curved piece of glass or transparent material used for focusing light. It comes from the Latin word "lens" meaning "lentil" due to the lens's shape resembling a lentil seed.
Therefore, the "telephone lens" refers to the specific lens used in the early telephones to transmit and focus sound efficiently.
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