Melles Griot has added to its online catalog a full line of optomechanical hardware, including optical rail and mounting systems, controllers for nanometric positioning, high-resolution positioning stages with manual or motorized actuators, and fixed and adjustable mirror, lens and laser holders. Component descriptions feature downloadable CAD and/or SolidWorks drawing files to assist in product selection and engineering design. The company has expanded its online optics offerings with products such as lead-free achromats, achromatic retardation plates, laser-line beamsplitters, high-power and -contrast polarizers, and notch, variable-density, long-pass, and fluorescence microscopy filters.