focus ring
Sharpness control dial
A focus ring is the rotating collar on a camera lens used to manually adjust sharpness.
Turning the ring moves optical elements inside the lens, shifting the focal point closer or farther from the camera.
Digital cameras often include electronic focus rings that control autofocus motors rather than moving elements directly.
She turned the focus ring until his face was sharp.
- lensLight-focusing curved glass
- prime lensNon-variable focal length optic
- apertureAdjustable optical inlet
- depth of fieldZone of acceptable sharpness
- manualWritten instructions for use
sharpness · blur · rotate · grip · barrel · camera · depth · infinity · macro · twist · calibration · zoom · bokeh · crisp · dial · adjust · photographer · viewfinder