Photography

Camera mechanics

Terms

8 terms

  • Electronic shutter

    An electronic shutter controls exposure by resetting and reading the image sensor electronically, with no moving curtains inside the camera.

  • Electronic viewfinder

    An electronic viewfinder is a small eye-level display in a camera that shows the live sensor image with exposure preview, overlays and shooting information.

  • Global shutter

    A global shutter is an image sensor readout method that starts and ends exposure for every pixel at once, removing rolling shutter skew and wobble.

  • IBIS

    IBIS, or in-body image stabilization, moves the camera sensor to counter hand shake, allowing sharp handheld photos at slower shutter speeds.

  • Mechanical shutter

    A mechanical shutter in a camera is a set of physical blades or curtains that opens and closes to control how long light reaches the sensor…

  • Optical stabilization

    Optical stabilization in photography moves a lens element to counter camera shake, allowing sharper handheld images at slower shutter speeds.

  • Rolling shutter

    Rolling shutter is a sensor readout method that exposes and reads image rows one after another, which can skew or wobble fast-moving subjects.

  • Shutter count

    Shutter count is the number of exposures a camera's mechanical shutter has made, used to judge wear, remaining service life and the value of a used…