Carl Zeiss Stemi 305 Trinocular Microscope For Gemology
This ZEISS trinocular optical system comes with 10x eyepieces for 8x - 40x magnification and a wide viewing field for objects up to 23mm. Outstanding Optics Design:

Salient Features:

• Apochromatic corrected ZOOM optics of ZEISS.
• Sharp, distortion-free 3D image over the whole visual field.
• Mechanical corrected ZOOM curve for largest ZOOM range 5 : 1.
• Sharp 3D image in each ZOOM position.
• Distortion-free 10x eyepieces with wide field of view 23 mm at 8x.
• Individual diopter correction at each eyepiece.
• Eyepiece adjustment 55-75mm.
• Working distance 110mm (3,6").
• Specifications of the BASE:
• Bright Field, dark field (7W Halogen)  and 7W fluorescent illumination
• Iris Diaphragm: 2mm-41mm
• Working Distance: 110 mm
• 0-325 degrees rotatable base
• Inclinable upto 38 degrees for better comfort and view
• Voltage: 100V to 240V