长焦距镜头 (長焦距鏡頭) chángjiāo jùjìngtóu

chángjiāo jùjìngtóu noun telephoto lens
Domain: Modern Chinese 现代汉语 , Subdomain: Photography
Notes: (Guoyu '長焦距鏡頭'; Wikipedia '遠攝鏡頭')