The invention provides a lens distortion correction method and a photographic device and belongs to the video imaging field. The device comprises a correction parameter module, a control module, a lens module, a photosensitive device, an image correction module, a display module and a storage module. Aiming at the combination of different lenses and photosensitive devices, measuring to obtain corresponding parameter values, and rapidly correcting the radial distortion of the image shot by the photosensitive device through reverse calculation; according to the photographing device, the correction method is used, correction parameter sequences under different focal lengths are created for a specific lens and a photosensitive device, and framing and correction calculation of photographing arecarried out in real time during photographing; the method has the characteristics that the method is simple and rapid, the method can be realized under various hardware conditions, when the device isapplied to industrial measurement, video detection and the like, the measurement precision can be effectively improved, and when the device is used for photographing, the image fidelity can be improved, and a real scene can be restored.