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. 2016 Feb 22;11(2):e0149932. doi: 10.1371/journal.pone.0149932

Fig 1. Illustration of the microendoscope system.

Fig 1

LED: light emitting diode; L1: collimating lens; F1: excitation filter; D: dichroic beamsplitter; Obj: Microscope objective; F2: Emission filter; L2: focusing lens; FB: fiber bundle.