SFRreg Charts for Imatest LED Light Sources
The SFRreg test charts are available Pre-Mounted for use with Imatest LED Light Sources. This chart consists of a slanted-edge quadrant pattern enclosed within a circle. It is used for measuring MTF and lateral chromatic aberration. A test image typically contains several targets that are automatically detected and analyzed by Imatest. Learn more about using SFRreg Patterns within Imatest.
Description
The SFRreg 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. Contrast ratios include 4:1 or 10:1.
| Light Source Size | Mounted Size | Reg Mark Diameter | Substrate |
|---|---|---|---|
| A |
253mm x 174mm (9.96″ x 6.85″) |
136.8mm | Transmissive Inkjet Color High Precision Film Black and White High Precision Film |
| B |
318mm x 290mm (12.52″ x 11.42″) |
198.0mm | Transmissive Inkjet Color High Precision Film Black and White High Precision Film |
| C |
456mm x 327mm (17.95″ x 12.87″) |
274.5mm |
Transmissive Inkjet Black and White High Precision Film |
| D |
634mm x 454mm (24.96″ x 17.87″) |
388.8mm | Transmissive Inkjet |
| E |
931mm x 562mm (36.65″ x 22.13″) |
486.0mm | Transmissive Inkjet |
| F |
931mm x 702mm (36.65″ x 27.64″) |
612.0mm | Transmissive Inkjet |
| G |
1253mm x 706mm (49.33″ x 27.79″) |
612.0mm | Transmissive Inkjet |
Sizes A and B will be attached to a matte black frame, while sizes C and larger will be mounted directly to 1/4″ clear acrylic.
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