{"version":"1.0","type":"link","title":"Defocus aberration - Newikis","description":"In optics, defocus is the aberration in which an image is simply out of focus. In general, defocus reduces the sharpness and contrast of the image. What should be sharp, high-contrast edges in a scene become gradual transitions. Fine detail in the scene is blurred or even becomes invisible.…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://upload.wikimedia.org/wikipedia/commons/8/89/Bokeh_Example.jpg","thumbnail_width":500,"thumbnail_height":333}