伴随 X300 Ultra 亮相的这枚 400mm 增距镜，估计可以直接将手机的可用焦段拓展到恐怖的 800mm，这个数据放在专业相机上也很罕见，在远景捕捉能力上，X300 Ultra 又一次刷新了移动影像的物理极值。
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In a week’s time, a new era will begin in Formula One as a major shift in regulations brings with it an air of unpredictability when the Australian Grand Prix gets under way in Melbourne.
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