This is How a Match-Needle Exposure Meter From a 1971 Canon Works
Technology Connections, a YouTube channel that covers a wide array of interesting technology stories, has shared this 28-minute video that explores how the Canon F1 from 1971 works, with special detail focused on the camera’s light meter.
In addition to learning specific details about the Canon F1, the host actually goes into a lot of detail about both the history of terms like ISO and how f-stops are calculated, and how shutter speed and aperture work together to create an exposure. If you’re new to photography and want a fairly fast yet thorough explanation of how all the settings on modern cameras work, this video is a surprisingly good place to start.
The main topic of the video, though, is a technology called a match-needle exposure meter. It is the only part of the Canon…
This is only a snippet of a Photography Article written by <a href="https://petapixel.com/author/jaronschneider/">Jaron Schneider</a>
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