A large opening (small f-stop number) gives you a very shallow DOF, and a small opening (big f-stop number) gives you a much deeper DOF.

一个大洞的开启(小f值)会带给你浅度景深，而一个小的开启(大f值)则会给你一个深度景深。

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Camera lenses have two general attributes: f-stop and focal length.

照相机镜头有两项一般属性：f制光圈和焦距。

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These tags, called EXIF metadata, specify things like the exposure and f-stop settings, gps information if your camera has it, and, of course, the time and date the photo was taken.

这些标记称为EXIF元数据，是为了说明照片的曝光度和光圈设定，有的相机还会显示GPS信息，当然，还有拍照的时间和日期。

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His favourite piece of tech is his F-Stop Satori EXP, a rucksack he uses when carrying his gear to remote locations.

BBC: Pro photographers reveal their top travel gear

Washington Park is located at Fifth Avenue and Third Street in Park Slope (nearest subway stop, F to Fourth Avenue).

WSJ: A guide to exploring Jackie Robinson's Brooklyn

Which, in this case, could also stand for a part of the anatomy she threatens to "punt" if her sisters don't stop being "so f---ing BORING" and "so f---ing AWKWARD" at sorority events.

CNN: Lessons from the sorority-girl e-mail rant