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Table 1 Optical, acquisition and videoconferencing resolutions for each objective

From: Transnational telepathology consultations using a basic digital microscope: experience in the Italy-Slovenjia INTERREG project “Patient without borders”

Objective magnification Numerical aperture Theoretical optical resolution (micron) Pixel size of live video (micron) Pixel size of transmitted images (micron) Pixel size of still images (micron)
5x 0.12 2.29 2.04 2.55 1.28
10x 0.25 1.10 1.02 1.28 0.64
20x 0.40 0.69 0.51 0.64 0.32
40x 0.65 0.42 0.26 0.32 0.16
63x 0.75 0.37 0.16 0.20 0.10
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