Standard zoom lens (20 x to 200 x)
Keyence VH-Z20R
Lenses (for Digital Microscope) VH lens series
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Specification
| 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 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. |
