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AF-BOXThe Autofocus-Box is designed to illuminate a test chart at different light levels.In combination with the LED-Panel the AF-Box can be used for low light / bright light shutter delay measurements of digital cameras. By using the two rotary conrol units it is possible to switch from one light level to the other immediately. So two different light levels can be preset by just using a switch without remeasuring the illuminationlevel again.Illumination level20 - 3000 LuxSize of used test chart83 x 83 cmProvided test chartsTE261 or otherLamps4 x 2 18 W D50can be switched on/off separatelySetting of light levelTwo rotary control units COMBINATIONCombine the LED-Panel, Digitus and the AF-Box and you get an even more powerful set of tools to measure shutter-lag and shooting-lag. It can be arranged in a way, that it meets the requirements of the upcoming ISO standard 15781.