Specifications: Screen Diameter - 30" Table Size - 8" x 32" Table Horizontal Travel - 15" Table Vertical Travel - 9" Table Helix Adjustment - ± 15º Focus Adjustment - 3" Constant Working Clearance - 8.4" Collimator to Focal Plane - 10" Throat Clearance - 18.4" Table Load Capacity - 550 Lbs. Power Requirements - 115 VAC, 50/60 Hz, 1 Ph Approx Dimensions - 71" FB x 42" LR x 80" H Approx Net Weight - 1700 Lbs. Equipped with: OGP Geometric Measuring Processor / Digital Readout System 0.00004" Resolution Scales Projectron Internally Mounted Edge Detection Digital Angle Display Power Table Travels with Joystick Control Power Lens Turret with (5) Lenses - 10, 20, 31.25, 50, 100X Mercury Arc Projection Mercury Arc Surface Illumination Unreversed Image Specifications subject to correction and independent verification by the buyer.