视野深度是很多微小水珠拍摄的关键，中心区域清晰，外缘平滑模糊。
Depth of field is a key aspect of many droplet shots, with a clear central area and a hazy smooth outer edge to the shot.
研究说明，它不仅有前后和侧面视野，还能上下看，而且能判断深度。
Not only does it have front, back and side vision it can also see vertically and judge depths, claims the study.
拓展你视野的宽度和深度。
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