单词f-stop
网络: 光圈；光圈值；光圈范围
复数：f-stops
We had to adjust the f-stop of our cameras relative to the sun line for every photograph we took.
我们每照一张相片，就必须依据相机和太阳光的相对角度调整光圈值。
If you want the scene to look like it"s a half-hour later, stop down by one f - stop, or set exposure compensation to minus one.
如果你希望照出来的效果如同半小时之后的样子，可以减一档光圈，或者减少曝光补偿。
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。
But it"s just nice to know which f-stop to choose when your main concern is sharpness, not controlling depth of field.
如果主要考虑的是照片的锐利（清晰逼真）而不是景深，那知道你的镜头的最佳光圈很非常有用。
The larger the aperture (remember, that means the lower the f-stop) the smaller the depth of field.
越大的光圈（记住，f值是越小），景深越小。
Remember, going up an f-stop cuts the amount of light by half.
记住，调高f值是减少光线量的一半。
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。
Is there any difference between these 2 lenses other than the price and f-stop ?
这两个镜头除了价钱和光圈上的区别还有什么差异？
The f-stop values mentioned above are fairly standard among lenses;
上述的f值是一般标准镜头的常用值；