Real Bore Lens
Keyence VH-B40
Lenses (for Digital Microscope) VH lens series
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Specification
| Model | VH-B40 | |
| Type | Borescope lens | |
| Borescope lens zoom attachment | VH-BA | |
| Outer diameter | When the borescope lens alone/With the Guard tube installed | ø4.0 mm *1 |
| When the Lateral view tube is installed | ø4.4 mm *2 | |
| View direction | When the borescope lens alone/With the Guard tube installed | 0° (Direct view) |
| When the Lateral view tube is installed | 90° (Lateral view) | |
| Effective length | 141.5 mm | |
| Maximum observation magnification | 140x*3 | |
| View angle | 30° | |
| Minimum view range | 2 mm *4 | |
| Working distance | 5 mm or more | |
| Environmental resistance | Ambient temperature | 0 to +40 °C |
| *1 The value in parenthesis is when the Guard tube is installed. *2 The value is when the Lateral tube is installed. *3 The magnification at around the Centre of a 15-inch monitor. *4 Horizontal view angle |
