The [Denki Otaku] YouTube channel took a look recently at some stepper motors, or ‘stepping motors’ as they’re called in Japanese. Using a 2-phase stepper motor as an example, the stepper ...

It’s driven with a stepper motor which can test out combinations so fast that [Startup Chuck] needed to take 240 fps video and slow it down to make sure that the mechanism was behaving properly.

When you use DPReview links to buy products, the site may earn a commission. Image: TTArtisan TTArtisan is no stranger to making L-mount lenses, but those have always been manual focus options. That's ...