Take a boring photo with your 50mm f/1.8 prime wide open, with a small sliver of your subject in focus.

用你的50mm f/1.8定焦头，光圈开最大拍一张特无聊的照片，让你拍的东西只有一丁点在焦距上。

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F. High-precision filter, filter wide area, high efficiency, simple operation, easy to clean.

高精密过滤，过滤面积广、效率高、操作简单、清洗容易。

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Simultaneously, it could solve the issue of mass production of F-P sensor, and offer basis for the purpose of wide application of F-P sensor, which is also significant from aspect of application.

同时可望解决光纤珐-珀传感器的批量制造问题，从而为微光纤珐-珀传感器的广泛应用奠定基础，因此，具有重要的应用价值。

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The SEC initiated its look with a Dec. 12 letter to many investment-advisory f irms, seeking a wide range of information on their activities during the period between Jan. 1, 2002, and Nov. 30, 2003.

FORBES: The Great Mutual Fund Clean Up That Almost Happened (April 4, 2004 )