![](/static/253f0d9b/assets/icons/icon-96x96.png)
![](https://sh.itjust.works/pictrs/image/bae905b8-0357-4d8f-aeee-8c3227e76c8c.png)
If they were using a polarizing filter on their lens, then the two targets would appear to have uniform brightness. What you’re seeing isn’t one target brighter than the other, it’s a glare from the sun reflecting off the paper. Look at the far right of the right target and you’ll see a similar brightness value.
Learn more about polarization in photography with some similar examples.
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