SFRplus Charts for Imatest LED Light Sources
The SFRplus Test Charts are available Pre-Mounted for use with Imatest LED Light Sources. This test chart can be used with the SFRplus Module in Imatest to measure MTF, lateral chromatic aberration, distortion, tonal response, and color accuracy, and offers full support for automated image quality testing. Learn more about the SFRplus Module.
Details
The SFRplus Test Chart is available on different materials for Visible Spectrum or Near Infrared (NIR) testing. For the Visible Spectrum choose between: Inkjet, High Precision Color Film, or High Precision Black and White Film. For the Near Infrared (NIR) Spectrum choose between:, Inkjet or High Precision Black and White Film. These charts are printed with a 4:1 Contrast Ratio, as recommend by the ISO 12233 Standard for Image Quality Testing. The aspect ratio is pre-selected to best suit the light source size.
For higher resolution systems, please consider our SFRplus – Chrome on Glass Targets.
| Light Source Size | Mounted Size | Active Area | Bar-to-Bar Distance | Substrate | MP Suitability* |
|---|---|---|---|---|---|
| A |
253mm x 174mm (9.96″ x 6.85″) |
213mm x 152mm (8.38″ x 5.98″) |
143mm (5.63″) | Color High Precision Film Black and White High Precision Film |
17.6MP 5.5MP |
| B |
318mm x 290mm (12.52″ x 11.42″) |
235mm x 168mm (9.25″ x 6.61″) |
158mm (6.22″) | Color High Precision Film Black and White High Precision Film |
21.5MP 6.7MP |
| C |
456mm x 327mm (17.95″ x 12.87″) |
427mm x 305mm (16.811″ x 12″)420mm x 300mm (16.53″ x 11.81″) |
287mm (11.30″)
282mm (11.10″) |
Transmissive Inkjet Black and White High Precision Film |
3.3MP 22.1MP |
| D |
634mm x 454mm (24.96″ x 17.87″) |
605mm x 432mm (23.82″ x 17.01″) |
406mm (15.98″) | Transmissive Inkjet | 6.7MP |
| E |
931mm x 562mm (36.65″ x 22.13″) |
907mm x 504mm (35.71″ x 19.84″) |
474mm (18.66″) | Transmissive Inkjet | 11.7MP |
| F |
931mm x 702mm (36.65″ x 27.64″) |
907mm x 648mm (35.71″ x 25.51″) |
610mm (24.01″) | Transmissive Inkjet | 15.0MP |
| G |
1253mm x 706mm (49.33″ x 27.79″) |
1224mm x 680mm (48.19″ x 26.77″) |
640mm (25.20″) | Transmissive Inkjet | 21.3MP |
* Megapixel Suitability can be approximately doubled through the use of Chart MTF Compensation.
Size A & B will be framed with 6mm Black Acrylic. Size C, D, E, F, & G will be directly mounted to 6mm Clear Acrylic.
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