- 產品品牌：
- DNP(日本)
- 產品型號：
- 4: 3 types
詳細介紹:
1. Referring to transmissivity or reflectance ratio of each grey scale the below-mentioned chart
功能描述:
| Step number | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | Back Gland |
| Transmissivity or Reflectance ratio |
60.0% | 52.9% | 45.8% | 38.6% | 31.5% | 24.4% | 17.3% | 10.1% | 3.0% | 12.0% |
