● Contrast Methods: Oblique; 360° rotating mirror; polished mirror silver metallic frosted for each side
● Holder diameter: 76mm
● Vertical track height: 300mm
● Focus travel distance: 105mm
● Coarse focus distance per rotation: 22mm
● Transmitted light: 6V/20W halogen lamp
● Input voltage: 100-240V AC 50/60Hz
● Work plate size & material: Φ180x6mm clear glass