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This is a great project but it's not clear to me how the HN title ("2M FPS with $5 Raspberry Pi Cameras") is related.

To take a picture of a bullet, we take an exposure of 1/2,000,000th of a second. This is super challenging with cheap $5 cameras like the Raspberry Pi camera because of rolling shutter, timing, syncing etc and is traditionally done with more expensive DSLRs.

But yeah, I think you're right the title doesn't seem like it's related, suggestions for a better title?

We replaced the title above with a representative description from the article.

Thank you so much!

Thanks. I wish it happened more often, not just in this particularly outrageous case.

We do it more than most people realize. If you notice a case that needs attention, you're always welcome to let us know. hn@ycombinator.com is the best way because then we're sure to see it. People email us about these all the time.

How about: "Operate Raspberry Pi v1 camera in global exposure mode (instead of rolling shutter)"

It's a great project! We used to do this with modified Canon 5Ds at a company I worked for and it was very expensive to set up

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