25 x 4X =100X, 25 x 10X =250X, 25 x 40X =1000X, 25 x 2 x 4X =200X, 25 x 2 x 10X =500X, 25 x 2 x 40X =2000X. [Biological Educational Tool] The 100X-2000X Biological microscope is designed to help students/kids/adults/beginner/amateur scientist exploring the fascinating world of microscopy, biology and life sciences.
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