Princeton Instruments/Acton of Trenton, N.J., a supplier of cameras, spectrographs and optics-based systems for the imaging, x-ray, spectroscopy and surveillance markets, has formed an exclusive distribution agreement with Delta Photonics for the Canadian market. The Ottawa-based company serves Canadian researchers who use photonic instruments and detection devices. The New Jersey company also has opened an office in Singapore to provide increased support for its Asian customers in the academic and industrial research sectors.