They caught that keeping Tom red-handed had a high-powered house open binoculars by his window.

他们发现，为了让汤姆保持警惕，他的窗户旁边有一架高倍率的双筒望远镜。

Oh, that's what you get for betting the chalk.

赌倍率最高的马总赔的很惨嘛。

The issue with photography at high magnification is that there is inherently a very shallow depth of field.

高倍率摄影的问题天生具有非常浅的景深。

So, the magnifying power of optical tools is limited, because light acts like the wave that it is.

因此，光学工具的放大倍率 有的，因为光的作用就像它的波一样。

You get maximum magnification when the real image is just barely inside the focal length of the eyepiece. .

当真图像刚好在目镜焦距内时，您将获得最大放大倍率。

We start our investigations at a very small magnification, which is equivalent to the highest magnification, which you can actually reach with a light microscope.

我们从一个很小的放大倍率开始我们的研究，这相当于你用光学显微镜能达到的最高放大倍率。

This magnification depends on the strength of the magnetic fields, the position of the lenses, and the position of the detectors and cameras.

此放大倍率取决于磁场的强度、镜头的位置以及探测器和相机的位置。

While other scopes at the time were lucky to get 50-times magnification, Van Leeuwenhoek's had up to 270-times magnifying power, identifying things as small as one thousandth of a millimeter.

虽然当时的其他瞄准镜幸运地获得了 50 倍的放大倍率，但范·列文虎克的瞄准镜具有高达 270 倍的放大倍率，可以识别小至千分之一毫米的物体。

The tiny meta-surface lens building blocks, about six hundred nanometers in length, can achieve the same resolution and magnification as a lens that is 5-6 centimeters in length.

微小的超表面透镜构建块，长约 600 纳米，可以达到与 5-6 厘米长的透镜相同的分辨率和放大倍率。

In order to find the magnifying power of the lens, you just divide the angle subtended by the virtual image by the angle subtended by your unaided eye.

为了求出镜片的放大倍率 ，只需用虚 像对角除以肉眼对角。

After all of the like terms cancel out, you're left with a magnification equation in terms of the focal lengths of the objective lens and the eyepiece. .

在所有类似的项抵消之后，就物镜和目镜的焦距而言，您会得到 一个放大倍率方程。

Now, if you want to calculate the magnifying power of the telescope, just start with the same equation you used for the magnifying lens, but with a negative sign, because the image is flipped.

现在，如果你想计算望远镜的放大倍率，只需从用于放大镜的相同方程开始， 但要加上一个负号， 因为图像翻转的。

For example, a photographer who wants to buy a telephoto lens may confront a choice between two lenses that produce images of equal quality and with the same magnification, but one of which admits twice as much light as the other.

例如，想要购买长焦镜头的摄影师可能会面临在两个镜头之间进行选择，这两个镜头可以产生相同质量和相同放大倍率的图像，但其中一个的透光量另一个的两倍。