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Premium Photo | Focus test chart for the detection of back focus or front focus in photographic camera lenses.
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LENS FOCUS TEST CHART 16:9 (72 SECTORS) REFLECTANCE YE0161 - 3nh_colorimeter spectrophotometer_light box_gloss meter
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TE148 A LENS FOCUS TEST CHART (36 SECTORS) 16:9 Reflectance_3nh Spectrophotometer, Colorimeter, gloss meter, Color Light Box
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