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Eider GranadaThe product and the service was excelent. it came to colombia without many problems (just aduana problems)..supplier 100% recomenmed -
Josiah HallEverything was delivered in perfect condition. After assembly, I confirmed operation. Thank you for this product.
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Mihai PaunescuEverything went as expected and the product arrived in good condition. 3NH is a good supplier and I will definitely use them in the future.
Gray Scale Resolution Test Chart 11 Patches High Accuracy 3nh / Sineimage YE0153
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xProduct Details
| Brand | 3nh/Sineimage | Category | Reflective/Transparent |
|---|---|---|---|
| Ratio | 4:3 | Size | 280*157.5mm (Customized) |
| Name | Camera Resolution Test Chart | Feature | High Accuracy |
| Highlight | camera resolution chart,camera lens test chart |
||
Product Description
Detailed Product Description
| Brand: | 3nh / Sineimage | Model: | YE0153 |
|---|---|---|---|
| Type: | Reflective/Transparent | Format: | Custom Designs |
| Ratio: | 4:3 |
3nh / Sineimage YE0153 Gray Scale Test Chart (11 steps) Grey Chart with 11 Patches 4:3 Gray test chart greytest chart
The YE0153 is designed for evaluation of the halftone reproduction of electronic cameras. Two 11-graduated counter current gray scales are arranged on a gray background (D=0.75), the gray scale being graduated logarithmically.
Related to the densities of the gray scales: gamma = 0.45
Related to the reflectance values (brightness): gamma = 2.2 , that being exactly the reciprocal value of gamma = 0.45.
The output signal of an optimally gamma-corrected camera yield two 11-graduates counter current linear step signals. The contrast range of the gray scales is 40 : 1.
The values of the 11-graduated gray scale are as follows:
| Step | Density | Reflectance in % |
| 1 | 0.05 | 89 |
| 2 | 0.13 | 74 |
| 3 | 0.22 | 60 |
| 4 | 0.32 | 48 |
| 5 | 0.43 | 37 |
| 6 | 0.55 | 28 |
| 7 | 0.69 | 20 |
| 8 | 0.88 | 13 |
| 9 | 1.06 | 8 |
| 10 | 1.31 | 5 |
| 11 | 1.65 | 2 |
The density values are based on BaSo4 = 0. Two black fields and a white field are located between the gray scales, the density of the black filed is D > 2.4 (reflectance < 0.5 %). The density of the white filed is D = 0.05 (reflectance = 89.9 %).
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