guāngxué wàngyuǎnjìng

== Mandarin == === Romanization === guāngxué wàngyuǎnjìng (Zhuyin ㄍㄨㄤ ㄒㄩㄝˊ ㄨㄤˋ ㄩㄢˇ ㄐㄧㄥˋ) Hanyu Pinyin reading of 光學望遠鏡 / 光学望远镜