- 变焦距 biànjiāojù zoomzoom; varifocal; variable focal length
- 变焦距镜头 biànjiāojùjìngtóu zoom lenszoom lens; a lens with a focal length that can be adjusted continuously during use
- 短焦距镜头 duǎnjiāojùjìngtóu short focal length lensa camera lens with a short focal length used to capture a wide field of view
- 长焦距镜头 chángjiāojùjìngtóu telephoto lenscamera lens with a long focal length used to make distant objects appear larger
