Printed circular multi-element test pattern designed for use in locations using security cameras, the colored, white, gray radials, and graduated gratings provide useful references for color, focus, resolution and other information for digital still and motion video cameras

'camera':15,40 'circular':2 'color':17,28 'design':8 'digit':35 'element':5 'focus':29 'graduat':22 'grate':23 'gray':19 'inform':33 'locat':12 'motion':38 'multi':4 'multi-el':3 'pattern':7 'print':1 'provid':24 'radial':20 'refer':26 'resolut':30 'secur':14 'still':36 'test':6 'use':10,13,25 'video':39 'white':18

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