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Horizontal Measure [50mm + 12mm macro extension test] | by hjl
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Horizontal Measure [50mm + 12mm macro extension test]

50mm + 12mm tube, on 60D (1.6 crop sensor), minimum focus distance is approximately 5 inches from front element, 10 inches from sensor, field of 1view is around 2.5 inches wide.

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Taken on August 20, 2012