Pinhole video

Photography & Video
Pinhole video

Josh Grant cobbled together a pinhole lens for his DSLR, threw on a UV filter and started shooting.

I took it with me to the park the next sunny afternoon, along with a tripod, expecting to take a few multi-second exposures of dandelions. I was surprised to learn that I 1/5s was all I needed at ISO 800 to get a proper exposure. I cranked the ISO up to 5000 shortly thereafter, getting a shutter speed of 1/30s.

I was thrilled that I could shoot pinhole photos hand-held at that speed! It was only later, as I was leaving the park that the significance of the “1/30s” shutter speed hit me… That was the correct shutter speed for 24 frames/s HD video! That was my goal for the weekend: find a classic pinhole photo subject, get the camera back on a tripod, and make a short video.

[Via DIY Photography, thanks Udi!]

4 thoughts on “Pinhole video

  1. says:

    Actually, 1/24th second shutter speed is 24 frames per second used in HD. 1/30th of a second is standard for NTSC television.

  2. jamiecarreiro says:

    While 1/24 is the slowest speed supported by a 24fps format, typically a shutter speed of half the frame rate (1/48 second) is used. This comes from the idea of a 180 degree shutter in a film camera. So if you want your 24fps video to have motion rendering/blur like film, use 1/48 second.

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My interests include writing, electronics, RPGs, scifi, hackers & hackerspaces, 3D printing, building sets & toys. @johnbaichtal

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