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Schematic digram of light field microscope and micromanipulation system. Acronyms: MRL – macro relay lens; MLA – microlens array; TL – tube lens; FFC – fluorescence filter cube; MO – microscope objective. Inset I1: photograph showing microscope objective lens, sample and microforce sensing probe. Inset I2: typical force (red) and displacement (black) data versus time for a indentation-retraction experiment.
