Colposcope Digital Imaging System
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5.3 Observation systerm operations
5.3.1 Basic parameters
l Binocular eyepiece foucus：160mm。
l Eyepiece：12.5×，wide-angle vision adjustment±5D。
l Work distance：300mm。
l Eye-distance adjustment range：50-75mm。
l Mico focusing range：0-40mm。
l Image collection raster ：f4.5-f32。
l Eyepiece magnification times and field of view：
Input data 0.4 0.6 1.0 1.6 2.5
Magnification times 3.4 5.1 8.5 13.6 21.3
Diameter of filed-of-view 75mm 50mm 30mm 19mm 12mm
5.3.2 Operation
Pic 5-26 Front of Observation systerm
Binocular eyepiece
Digital CCD
CCDimage trimming device
Optical lens
Filter knob
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