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          Lenses (for Digital Microscope)VH lens Series

          VH-Z20R

          Ultra-small, high-performance zoom lens (20 x to 200 x)

          SPECIFICATIONS

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          Model

          VH-Z20R

          Magnification

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

          Field-of-view

          Horizontal

          20 x: 15.24 mm 0.60"
          30 x: 10.16 mm 0.40"
          50 x: 6.10 mm 0.24"
          100 x: 3.05 mm 0.12"
          150 x: 2.03 mm 0.08"
          200 x: 1.52 mm 0.06"

          Vertical

          20 x: 11.40 mm 0.45"
          30 x: 7.60 mm 0.30"
          50 x: 4.56 mm 0.18"
          100 x: 2.28 mm 0.09"
          150 x: 1.52 mm 0.06"
          200 x: 1.14 mm 0.04"

          Diagonal

          20 x: 19.05 mm 0.75"
          30 x: 12.70 mm 0.50"
          50 x: 7.62 mm 0.30"
          100 x: 3.81 mm 0.15"
          150 x: 2.54 mm 0.10"
          200 x: 1.91 mm 0.08"

          Depth-of-field

          20 x: 34 mm 1.34"
          30 x: 15.5 mm 0.61"
          50 x: 6.0 mm 0.24"
          100 x: 1.6 mm 0.06"
          150 x: 0.74 mm 0.03"
          200 x: 0.44 mm 0.02"*2

          Working distance

          20 x, 30 x, 50 x, 100 x, 150 x, 200 x: 25.5 mm 1"

          *1 Magnification on a 15-inch monitor.
          *2 The value when the lens is set with priority to depth of field. The depth of field changes depending on the setting for the iris diaphragm ring.

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