LED Illumination More than 50 000 hours working time Reduce eye’s stress Provide bright and sharp light Continuous illumination control Possible accessories Yellow filter Optical System LS-4 Type: Galilean system, Parallel type, Haag-streit type Magnification Changer: Rotating drum change Magnification: 6X 10X 16X 25X 40X Eyepiece: 12.5X Field of view: 6x(φ33) 10x(φ22) 16x(φ14) 25x(φ8.5) 40x(φ5.5) mm Pupil Range: 52 - 82 mm Diopter: ±7D llumination Slit Width: Continuous from 0 to 14 mm Slit Length: Continuous from 1 to 14 mm Slit angle: 0° - 180° Slit Aperture: Continuous from 1 - 14 mm, φ14, 10, 5, 3, 1, 0.2 mm Slit Vertical Tilt: 5° 10° 15° 20° Filter: Heat Absorption, Grey, Redfree, Cobalt Blue Fixation Lamp: Red LED 3.5V Light Resource: LED |