When classical data evaluation methods are applied in Laser Speckle Contrast Analysis (LASCA) measurement of skin perfusion, the accuracy is considerably limited by the significant static scattering of the skin. Therefore, different methods were elaborated for reducing the effect of static scattering, either based on application of a wide range of exposure times or application of single exposure time in combination with more sophisticated data analysis on speckle images [1-3]. In these methods the speckle pattern is considered to be created by photons which are either backscattered from the static surface layer or from the moving scattering centres, e.g. red blood cells. The application of such correction methods resulted in significant enhancement of the accuracy during test measurements made on microsphere emulsions, however, the values of so obtained correlation times of the speckle fluctuation (τ) can be tendentiously higher as the scattering from the static layer placed above the emulsion becomes more dominant. Our aim is study the relationship between the measured discrepancy and scattering properties of the experimental model using our earlier developed multiple exposure measurement and data evaluation method .