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Shutter

The mechanism that control the length of the exposure. On some smaller cameras this may be in the lens (a ‘leaf’ or ‘in-lens’ shutter), but on DSLRs and mirrorless cameras with interchangeable lenses, it’s a ‘focal plane’ shutter directly in front of the sensor.

Shutters: what they do and how they work

September 9, 2019 by Rod Lawton

All cameras have a shutter mechanism to expose the sensor for exactly the right amount of time. The shutter opens to begin the exposure and then closes again to end it. Most cameras have mechanical shutters, though you can also get electronic shutters, which we’ll come to a little later. Mechanical shutters come in two […]

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