https://www.keyence.com/Microscopes/Digital
赞助20x Greater Depth-of-Field, Advanced 2D/3D Measurement. Up to 6,000x Magnification. The World's First 4K Ultra-High Accuracy Microscope. The Next Level of Digital Microscopy
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Types: Easy-to-Use, Automatic Reports, ASTM Grain Sizing, ISO 16232 Cleanliness