circle of least confusion

... "赤经圈"," circle of latitude" "最小模糊圈,明晰圈"," circle of least confusion" "经圈"," circle of longitude" ...

...通过在最完美的焦点，所成的像依旧是不能称作点。而这个镜头所能形成的最小的像，我们称其为最小弥散圆( circle of least c…

·视网膜最小弥散圈 circle of least diffu sion：又称最小像差圈(circle of least aberration)、最小漫射环(circle of least confusion)。

...，水平线的屈光力（蓝色）与垂直线屈光力（红色）不同，产生一个垂直与水平的前后焦线。中间有一个最小弥散圈（circle o…