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▾ GM-168B
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▾ GM-168T
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Optical system
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Greenough
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Observation tube
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Binocular head
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Trinocular head
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Trinocular light split
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/
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Fixed 50:50
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Observation angle
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45°/ 60°
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45°
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Objective system
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Zoom; ratio 1:6.7
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Objectives magnification
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0.75X~5X
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Auxiliary ESD objectives
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1.5X (WD = 56.3mm)
2.0X (WD = 38.6mm)
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Interpupillary distance
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50-75mm
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Stage
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Mounting hole for gem holder on both sides. Users can choose the position freely
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Eyepiece(s)
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Widefield N-WF10X (Ø20), eyepiece tube adjustable
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N-WF10X(Ø23) ; N-WF15X(Ø16) ; N-WF20X(Ø13) optional
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Working distance (standard)
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113mm
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Focusing adjustment
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125mm
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Incident illumination
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7W fluorescent light, colour temperature of 6000K to reduce any yellowing effects on the gem, angle adjustable
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Transmitted illumination
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6V/30W Halogen
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C-Mount adapter
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/
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0.5X, 0.65X, 1X adapters available
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Photo adapter
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/
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SY10 photo adapter 2.5X, 4X photo eyepiece available
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Length x width x height
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391 x 236 x 500mm
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Weight
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9kg
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