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Imatest
Sinusoidal Siemens Star
The Sinusoidal Siemens Star target is consistent with the ISO12233:2014 standard. It is printed on matte paper. The modulation of the radial sinusoidal patern is close to a 50:1 contrast ratio.
Detail information
- Target allows multiple samples of MTF measurements to be taken from any point within the circumference of the circle.
- Resolution measurements can be made with Imatest's Star Chart module
- Less sensitive to some image processing than Edge-SFR analysis
- Resistant to noise which can improve some measurement repeatability
- Includes low-contrast vertical + horizontal slanted edges for comparison
- Less sensitive to changes in position than the hyperbolic wedge
- Enables resolution measurements at all angles including vertical, horizontal, sagittal and tangential
- Includes registration mark patterns for automatic detection
Sizing
| Size Option | S.I. | Imperial |
|---|---|---|
| 1x | 250 mm × 333.33 mm | 9.84" × 13.11" |
| 1.5x | 375 mm × 500 mm | 14.76" × 19.66" |
| 2x | 500 mm × 666.67 mm | 19.69" × 26.22" |
| 3x | 750 mm × 1000 mm | 29.53" × 39.34" |
Please contact charts@imatest.com for customizations such as sizing, tiling or for other substrates including high precision film or photographic paper.
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