Broadcast lens
Broadcast lens in television industry are lenses used for broadcasting in television studio or on the location/field. Main manufacturers of broadcast lenses are Canon and Fujifilm's Fujinon brand. Broadcast lenses can be box-shaped, which are heavier and for use in limited range or classically shaped, lighter and for portable use.
Types
[edit]
Lens are generally classified into three types:
- Studio zoom lenses, used mainly in the television broadcasting studio.
- Field zoom lenses, used for relay broadcasting of sports and other type of live events.
- Electronic news-gathering/Electronic field production (ENG/EFP) lenses, used for production of news and on-location events.[1]
Features
[edit]Typically broadcast lenses have:
- Less focus breathing
- Variable focal lengths (18–35 mm)
- Zoom which maintains focus as the focal length changes (parfocal lens)
- Aspherical lens with fast and large lens aperture
- Servomotor control of zoom, focus and aperture via remote control handles
- Built-in image stabilization
- Multi-group zoom lens system[2][3]
See also
[edit]References
[edit]- ^ admin (2019-02-21). "ENG & EFP crew equipments for international live event". Retrieved 2022-05-15.
- ^ "Focus on Lenses for Broadcast TV | Hitachi Kokusai Electric America, Ltd". www.hitachikokusai.us. Retrieved 2022-05-15.
- ^ "FUJIFILM FUJINON television lenses & cine lenses 2022" (PDF).
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