Magnifier LP-4-20x Magnifier 20x projection used in the jewellery industry for quality control, cutting and inspection for the presence of internal defects of jewels and jewelry, and can also be used in the printing industry for checking the quality of micro-printing that is designed for a wide range of experts - restorers, art historians, numismatists and philatelists. Specifications: Loupe zoom, ratio 21,05 ÷ 19,05 Focal length mm 11,88÷of 13.13 Linear field of view, not less, mm 7 Overall dimensions, mm 36×28×25 Weight, max, kg 0,06 Range of working temperatures from – 45° to + 45°
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