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Microbiologist.in
Pharma QC microbiology, in your pocket
Note
Total magnification = 10× × 40× = 400×.
Reference: Compound light microscope. Always follow your approved SOP and current pharmacopoeia.
Total = eyepiece × objective
10× eyepiece and 100× oil objective → 1000×
Useful magnification is limited by resolution (about 0.2 µm for light microscopes).