The CP139 chart is designed to test the resolution of camera, in accordance with the ISO12233:2014 standard. The chart contains nine radially sine modulated Siemens stars, gray patches, black squares with a small white square in it, slanted edges and hyperbolic wedges.
▋ The chart consists
A gray background with a 18% reflectance;
Nine sinusoidal Siemens stars, each with 16 surrounding gray patches;
Multiple mark patterns for automatic software analysis and positioning;
Two slanted edges on the left and right sides of the center Siemens star, each consisting of 4 slanted edges;
Hyprebolic wedges pattern on the upper and lower sides of the chart's center.
▋ Size Options
| Model | CP139-R2X | CP139-R4X |
| Graphic Size | 540 x 405 mm | 1080 x 810mm |
| Chart Size | 1000 x 1333 mm | 1250 x 1000mm |
| Elements | 144cycle, 16 grayscale patches, 9 star patterns | |
*1. Yanding charts come with customizable images and sizes. If the listed sizes don't meet your needs, contact sales@rdbuy.com for assistance.
*2. Yanding charts come with mounting services included. Sizes 0.5X/1X or smaller are mounted on 5mm thick board, while 2X/4X or larger are mounted on 4mm thick aluminum composite panel.
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