digital Camera Resolution Test Chart 4/3 3/2 Iso12233 2014 Reflective Certificated
Product Details
| Brand: | SineImage | Usage: | For Resolution And Sharpness Measurements |
|---|---|---|---|
| Light Source: | Can Be Equiped With Light Box | Standard: | ISO12233(2014) |
| Model: | TE268 | Diameter Center Mark: | 5 Mm |
| Highlight |
camera resolution chart,camera lens test chart |
||
Product Description
ISO12233 (2014) REFLECTIVE CERTIFICATE CAMERA RESOLUTION TEST CHART 4:3 or 3:2
Reflectance of the gray patches of the center star:
| Step |
Measured Reflectance |
Reference Reflectance |
Deviation |
| 1 | 1.00 | ||
| 2 | 0.93 | ||
| 3 | 0.87 | ||
| 4 | 0.80 | ||
| 5 | 0.73 | ||
| 6 | 0.67 | ||
| 7 | 0.60 | ||
| 8 | 0.53 | ||
| 9 | 0.47 | ||
| 10 | 0.40 | ||
| 11 | 0.33 | ||
| 12 | 0.27 | ||
| 13 | 0.20 | ||
| 14 | 0.13 | ||
| 15 | 0.07 | ||
| 16 | 0.02 |
Serial Number: TE253-16:9-A460H-14000
aspect ratio: 4:3 3:2
The test chart TE268 is designed for resolution and sharpness measurements. The chart can be analyzed automatically with the iQ-Analyzer.
Five different structures in the chart allow a numerical and visual analysis:
• 25 sinusoidal Siemens stars are placed at the chart. The stars have a gray value which changes sinusoidal when walking on a circle around the center of the star.
Each star is surrounded by 16 gray patches to do an OECF measurement. This information can be used to linearize the image data.
• 16 slanted edges with a contrast of 100, 80, 60 and 40 percent are placed between the stars.
• Four dead leaf patterns (gray, red green, blue) with reference patches are placed close to the center of the image.
• Images of ropes in the four corners and near the center of the image can be used for a visual analysis.
The chart structures follow the recommendation of the latest ISO standard ISO12233 (2014).
According to ISO12233 the sixteen slanted edges can be used to determine the modulation and the limiting frequency. The analysis of the sharpening can also be done with these structures.
Dead leaves patches complete the resolution measurement. They are circular structures with random diameters and gray levels.The structures are constructed to do resolution measurements for different colors.
At the TE268 test chart the number of Siemens stars is increased from nine to twenty-five to get a more detailed information about the image area.The resolution could be determined at these image heights (in %): 0.00 – 0.20 – 0.34 – 0.41 – 0.53 – 0.67 – 0.70 – 0.79. So there is a definitely improved amount of information about the contrast behavior of the system at different image heights.
The maximum resolution of the TE268 A depends on the chart size and diameter of the:
| chart name | size | number of cycles |
diameter center mark |
min. resolution |
max. resolution |
| TE268-H | A1066 | 144 | 5 mm | 8 MP | 180 MP |
| TE268-A460-H | A460 | 144 | 5 mm | 2 MP | 35 MP |
The chart is available in 4:3 and 3:2.
Sizes of Siemens stars and gray patches:
| chart size | diameter Siemens star | gray patches |
| TE268 25x A1066 | 145 mm | 11.5 x 11.5 mm |
| TE268 25x A460 | 55 mm | 9 x 9 mm |
About Us:
Contact Information:
Contact Person: Clara Liu;
Email: L001@Silk.com;
Wechat & Whatsapp ID: +8613510310267;
Skype: clara.Silk
Product Highlights
ISO12233 (2014) REFLECTIVE CERTIFICATE CAMERA RESOLUTION TEST CHART 4:3 or 3:2 Reflectance of the gray patches of the center star: Step Measured Reflectance Reference Reflectance Deviation 1 1.00 2 0.93 3 0.87 4 0.80 5 0.73 6 0.67 7 0.60 8 0.53 9 0.47 10 0.40 11 0.33 12 0.27 13 0.20 14 0.13 15 0.07 ...
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