1、 Purpose:

The three fold magnifying glass has the characteristics of clear imaging, simultaneous observation and measurement, exquisite structure, convenient use, and beautiful appearance. Paper and printing outlets used for observing coins, tickets, and cards in industries such as finance, taxation, philately, welding, textiles, printing and dyeing, metrology, photography, advertising, calligraphy and painting appraisal, electronics, etc. The internal structure of the gemstone can be observed, and the molecular arrangement of the cross-section can be arranged. It can also be used for the analysis and identification of ore specimens and cultural relics; It can be used for precision edition, color correction, and dot counting, edge extension observation, and can accurately measure screen mesh size, dot size, overprint error, etc; Observation and analysis of fabric fibers and warp and weft density; Observe the routing patterns of printed circuit boards, copper platinum plates, and the model and solderability of quality components; Used for observation and research on pathogens and insects in agriculture, forestry, food and other sectors; It can also be used for animal and plant specimens, identification and analysis of evidence by public security departments, scientific experimental research and other industries.

2、 Technical parameters: