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Canon EF 40mm f/2.8 STM AF motor noise

posted in: Gear, News, Photography 0

A week or two ago, I was messing around with my Zoom H1 field recorder and decided to capture some video+audio of the stepping motor (STM) in the Canon EF 40mm f/2.8 STM pancake lens.

The audio is captured using the Zoom H1 on a lightstand positioned in close proximity to the lens and the audio levels were bumped up in post to amplify the sound.

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