mǎi / xīn / jìngtóu / zhīqián / xiān / quèrèn / tā / shìfǒu / shìpèi / nǐde / xiàngjī / jīshēn买新镜头之前,先确认它是否适配你的相机机身。Before buying a new lens, first check whether it is compatible with your camera body.