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.
Details
- 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 | 250mm x 333.33mm | 9.84″ x 13.11″ |
| 1.5x | 375mm x 500mm | 14.76″ x 19.66″ |
| 2x | 500mm x 666.67mm | 19.69″ x 26.22″ |
| 3x | 750mm x 1000mm | 29.53″ x 39.34″ |
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