单词teleconverter
n.: 【摄】光学部件可以增加镜头的焦距网络: 增距镜
dunlop photographed this belted kingfisher near his home . the real estate appraiser used a 600mm lens and 1 . 4x teleconverter
邓洛普，房地产评估师，用600毫米镜头和1.4倍望远倍率镜拍摄了这只白颈蓝翠鸟。