Lens Adapter A lens adapter is an accessory used to mount lenses with one type of lens mount onto a camera body with a different type of lens mount. Lens adapters allow photographers to use lenses from different camera systems interchangeably, expanding the range of compatible lenses and enabling creative experimentation with various optics and focal lengths. For example, a lens adapter may allow a Canon EF lens to be mounted on a Sony E-mount camera body, or a Nikon F-mount lens to be used on a Micro Four Thirds camera.
Lens adapters come in different designs and configurations, including simple mechanical adapters and electronic adapters with autofocus and aperture control capabilities. While lens adapters provide compatibility between different lens and camera systems, they may impact autofocus speed, aperture control, and overall performance depending on the specific combination of lens and adapter used. Photographers should carefully research and test lens adapters to ensure compatibility and optimal functionality with their camera and lens setups.