Lens thickness gauges can be used for measuring the thickness of lenses.
| Type | Range | Resolution | Accuracy | L | H |
|---|---|---|---|---|---|
| Type-A | 0-10mm | 0.01mm | ±0.025mm | 30mm | 25mm |
| 0-10mm | 0.01mm | ±0.030mm | 62.5mm | 55mm | |
| Type-B | 0-10mm | 0.01mm/0.0005in | ±0.030mm | 30mm | 25mm |
| 0-10mm | 0.01mm/0.0005in | ±0.040mm | 62.5mm | 55mm |