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NBS 標準
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Pattern | R60 |
| Description | NBS 25 Test Chart | |
| Key features | NBS 25 Chart Lines range from 3 Lines per mm to 20 Lines per mm. | |
| Order code | 06B01090 |
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Pattern | R67 |
| Description | NBS 5 Bar Test Chart | |
| Key features | NBS 5 Bar Test BS4657 with Elements of 5 Bars ranging from 1 line per mm to 18 lines per mm, adjacent numbers indicating lines per mm. | |
| Order code | 06B01093 |