Determining the extent to which a microscopic image is enlarged requires a simple calculation. This calculation involves multiplying the magnification power of the objective lens currently in use by the magnification power of the eyepiece lens, also known as the ocular lens. For instance, if an objective lens with a magnification of 40x is used in conjunction with an eyepiece lens that magnifies 10x, the resulting image will be magnified 400 times (40 x 10 = 400).
This method of calculating image enlargement is fundamental to microscopy. It allows researchers and students to accurately assess the size and detail of observed specimens. Accurate magnification determination is essential for precise measurements, comparisons, and ultimately, a deeper understanding of the microscopic world. Historically, this standardized approach has allowed for the replication and validation of scientific findings across different laboratories and researchers, ensuring consistency and reliability in scientific research.