Image Technology Win-Studio is using advanced image processing technologies for improving Image quality: Auto Focus: Allow easy focusing on any part of the image. In 'Deep Field' operation mode, the focus is fully automatic. High Image Quality: Each picture is taken many times. Special image processing algorithms analyze and improve the final result. Deep Field: Special algorithms allow quality macro photos with high distinguish of details and high sharpness of all image parts.   The following coin diameter is 18 mm Macro Example