How can I take pictures of a screen without realizing it?

I have to be able to take pictures from a screen without realizing it. Either from the laptop or from another cell phone. And yes, I really have to be able to take pictures of it with my cell phone. Is there any way to do this? Can you give me advice?

Photographs, press, cut…

You always notice that. It's best to take a screenshot on the laptop / PC and send it to your cell phone.

Take screenshot?

As written i have to do it with my cell phone that photo.

So the things you see on the laptop…

No, unfortunately not possible. I have to take the picture in an app

Well it's about the stripes

Yes why?

Why what? One should not see it from the photo. Has been

Well it's about the stripes

Hello,

do you mean the moiré effect? https://de.wikipedia.org/...%A9-Effekt

It doesn't help to focus on the display, but rather in front of or behind it. As a result, the image is blurred; but you can sometimes find a compromise.

Or you use an analog camera. It doesn't happen there.