Definition of unsharpness in English:

unsharpness

noun

  • See unsharp

    • ‘The allowable amount of unsharpness is controlled by specification being followed.’
    • ‘This article describes a method not just to measure wide angle unsharpness but also to adjust the lens precisely with the film running.’
    • ‘Unsharpness and resolution refer to the degree of blurring along the boundaries between different regions of the image.’
    • ‘This filter blocks the invisible UV parts which might cause unsharpness.’
    • ‘In the majority of cases, though, unsharpness is caused by shutter speeds that are too slow.’