Distortion dot targets are the ideal product for testing image area, distortion, field flatness and other parameters in optical and imaging systems. They are often utilized in the calibration of imaging systems. HeliOS’ dot targets are available on white opal base, and clear glass, in two dot/pitch sizes. Grey base dot targets available upon request.
Precision Optical Components Produced To Your Specifications
| Standard Specifications | |
|---|---|
| Substrate | Low Iron Float Glass or White Opal (specified) |
| Standard Thickness | 2mm |
| Thickness Tolerance | ±0.2mm |
| Dimensional Tolerance | ±0.1mm |
| Dot Diameter Tolerance | ±0.002mm |
| Dot Spacing Tolerance | ±0.002mm |
| Surface Flatness | 4 - 6λ |
| Surface Quality | 40-20 |
| Coating | Reflective First Surface Chromium Rabs = 50% ±5% @ 550nm |
| Note | If your requirement is outside of our listed specifications, please inquire as our production facility can often quickly and affordably customize off-the-shelf components to a variety of sizes and shapes that will meet standard, precision, or high precision quality. We also welcome custom pattern orders. |
