Standard 500 models X500S Tungsten Cathode X500FE Schottky Field Emission X500 Standard features Magnification 3x to 600,000x Apertures 4 - click stop positions Sample Stage High Precision 3-axis motors X=100mm, Y=100mm, Z=10mm Rotation 360º (Continuous) Standard working distance 25mm Chamber Geometry Optimised for 70º Beam/ Sample Incident Angle Chamber Internal size 250mm x 320mm x 320mm Maximum Image Resolution 2560 x 2048 SEM High Resolution Display Two 21" Colour Monitors