The Shimadzu FTIR-8300 and FTIR-8700 spectrophotometers feature a patented computer-controlled optical alignment system with intrascan correction from 5 to 10,000 Hz. The low-maintenance, frictionless mirror positioning system is immune to tilt and shear forces. Hyper-IR software is included with both the 8300 and 8700 for efficient analysis and data manipulation capability. The software package includes multilinear regression and PLS quantitation, conversion and spectral search functions. Validation functions ensure reliability.