DU Zhi-ming
Abstract
The parabolic reflector is an ideal xenon lamp reflector.According to the features of the parabolic reflector,the relationship among the focal length,diameter,axial defocus and the wrap angle of reflector are analyzed.The inflence axial defocusing on the wrap angle and the distance of complete flash is also discussed.
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The parabolic reflector is an ideal xenon lamp reflector.According to the features of the parabolic reflector,the relationship among the focal length,diameter,axial defocus and the wrap angle of reflector are analyzed.The inflence axial defocusing on the wrap angle and the distance of complete flash is also discussed.
Key concepts: Reflector (photography), Parabolic reflector, Optics, Xenon, Flash (photography), Materials science, Focal length, Physics