A hand shake blur detecting apparatus for detecting hand shake blur of an imaging device based on an output signal of a hand shake blur sensor for detecting the hand shake blur of the imaging device is provided, the hand shake blur detecting apparatus including a high pass filter calculating part for removing low frequency component from the output signal of the hand shake blur sensor; an inverse high pass filter calculating part, having an inverse transfer function of a transfer function of the high pass filter calculating part, for filtering an output signal of the high pass filter calculating part; an offset value calculating part for calculating the offset value based on an output data of the inverse high pass filter calculating part; and an offset value subtracting part for subtracting the offset value calculated by the offset value calculating part from the output data of the inverse high pass filter calculating part.