Broadcast lens
Broadcast lens in television industry are lenses used for broadcasting in television studio or on the location/field. The 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
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 lenses, used for production of news and on-location events.Features
Typically broadcast lenses have:- Less focus breathing
- Variable focal lengths
- Zoom which maintains focus as the focal length changes
- 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