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- x-rite Judge QC X-Rite Judge QC In manufacturing and quality control across a…
- Imatest Master Imatest Master is a GUIbased application that can be used to set camera product requiremen…
- ISO 12233:2014 E-SFR
- Imatest Ultimate + Test Chart Bundle (Save $200) Imatest Ultimate combines the analysis suite of Imatest Master, the real-time image acquis…
Camera Test System
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Chrome on Glass SFRplus
Chrome on Glass charts are uni-tone, have 10:1 contrast, and do not include a step-chart. This means that they do not support calculation of tonal response curves. The star pattern is strictly for use as a focusing aid, and is not intended as a testing feature (i.e., as a star chart).
Detail information
Testing at Infinity can be simulated by using this chart as a reticle in a telescope along with a collimating light source.
The Unitone SFRplus test chart can be used with the SFRplus module in Imatest 3.2 or later to measure MTF, lateral chromatic aberration, and distortion. The SFRplus module features fully automated region-of-interest detection.
The SFRplus chart offers significant advantages over commonly used charts such as the ISO 12233 chart, including:
- Much less wasted area
- The ability to produce a map of sharpness over the sensor surface
- Better measurement accuracy due to the lower contrast
- Full support for automated testing.
A full list of active areas and standard sizes is indicated in the table below:
| Plate Size | Active Area | Squares | SKU | Bar-to-Bar Height |
|---|---|---|---|---|
| 5 cm (2") | 2 cm × 3.6cm | 5 × 9 | SPCG-2 | 1.9 cm |
| 5 cm (2") | 3 cm × 4.2cm | 5 × 7 | SPCG-3 | 2.8 cm |
| 10 cm (4") | 4 cm × 7.2 cm | 5 × 9 | SPCG-4 | 3.8 cm |
| 10 cm (4") | 6.5 cm × 9 cm | 5 × 7 | SPCG-7 | 6 cm |
| 12.7 cm (5") | 6 cm × 10.8 cm | 5 × 9 | SPCG-6 | 5.6 cm |
| 12.7 cm (5") | 8.36 cm × 11.7 cm | 5 × 7 | SPCG-9 | 7.86 cm |
| 17.8 cm (7") | 8 cm × 14.4 cm | 5 × 9 | SPCG-8 | 7.5 cm |
| 17.8 cm (7") | 11 cm × 15.4 cm | 5 × 7 | SPCG-11 | 10.3 cm |
| 22.9 cm (9") | 12 cm × 21.6 cm | 5 × 9 | SPCG-12 | 11.3 cm |
| 22.9 cm (9") | 15 cm × 21 cm | 5 × 7 | SPCG-15 | 14.1 cm |
| 30.5 cm (12") | 16 cm × 28.8 cm | 5 × 9 | SPCG-16 | 15.1 cm |
| 30.5 cm (12") | 21 cm × 29.4 cm | 5 × 7 | SPCG-21 | 19.8 cm |
