This octagonal multi-element printed test chart to be used in any facility making use of security cameras; the colored and gray radials, spiral center pattern and graduated gratings on the outer edges provide useful reference color, focus, resolution and other information when used with digital still and video cameras

'camera':19,51 'center':26 'chart':8 'color':21,38 'digit':47 'edg':34 'element':5 'facil':14 'focus':39 'graduat':29 'grate':30 'gray':23 'inform':43 'make':15 'multi':4 'multi-el':3 'octagon':2 'outer':33 'pattern':27 'print':6 'provid':35 'radial':24 'refer':37 'resolut':40 'secur':18 'spiral':25 'still':48 'test':7 'use':11,16,36,45 'video':50

MINI-COP

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