Fig. 1From: A novel fluorescent cardiac imaging system for preclinical intraoperative angiographyThe design of fluorescent cardiac imaging (FCI) system. a Optical structure of the customized FCI system. a: meniscus lens with 100 mm focal length, b: achromatic doublet lens with 45 mm focal length c: diaphragm aperture d: achromatic doublet lens with 60 mm focal length e: meniscus lens with 100 mm focal length. b The image of final FCI device and its application during experiments. f: CCD camera, g: LEDBack to article page