Optical Comparator Resolution 0.00002 in Accuracy +/-0.08 Percent Contour Illumination 24V 150W Halogen Bulb Effective Table Working Area 15 15/16 in x 9 in Image Type Erect Image Magnification - Included Lens 10X Measuring Unit Digital Optical System Orientation Vertical Projector Series INSIZE ISP-A Screen Size 12 in Surface Illumination 24V 150W Halogen Bulb Table Size 15 15/16 in x 9 in X-Axis Table Travel 8 in Y-Axis Vertical Focus Travel 3.94 in