長焦距鏡頭 [长－－镜头]

Jyutping coeng4 ziu1 keoi5 geng3 tau4
Pinyin cháng jiāo jù jìng tóu

Definitions (Wiktionary)
  1. noun
    telephoto lens
    (syn.) 望远镜头, 望遠鏡頭