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          Lenses (for Digital Microscope)VH lens Series

          VH-Z20T

          Standard zoom lens (20 x to 200 x)

          SPECIFICATIONS

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          Model

          VH-Z20T

          Magnification

          20 x, 30 x, 50 x, 100 x, 150 x, 200 x*1

          Field-of-view

          Horizontal

          20 x: 15.24 mm
          30 x: 10.16 mm
          50 x: 6.10 mm
          100 x: 3.05 mm
          150 x: 2.03 mm
          200 x: 1.52 mm

          Vertical

          20 x: 11.40 mm
          30 x: 7.60 mm
          50 x: 4.56 mm
          100 x: 2.28 mm
          150 x: 1.52 mm
          200 x: 1.14 mm

          Diagonal

          20 x: 19.05 mm
          30 x: 12.70 mm
          50 x: 7.62 mm
          100 x: 3.81 mm
          150 x: 2.54 mm
          200 x: 1.91 mm

          Depth-of-field

          20 x: 34 mm
          30 x: 15.5 mm
          50 x: 6.0 mm
          100 x: 1.6 mm
          150 x: 0.74 mm
          200 x: 0.44 mm*2

          Working distance

          25.5 mm

          *1 Magnification on a 15" monitor.
          *2 The value when the lens is set to prioritise depth of field. The depth of field changes depending on the setting for the iris ring.

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