产品描述
多频栅格畸变测试板
1)可校正成像系统
2)不同的视场角有着不同的空间频率
3)本产品的精度附带NIST认证
尽管在测量应用方面畸变会带来一定的麻烦，但是您必须清楚事实上关于被测物体的各种信息并没有丢失，仅仅是物体所成的像放错了位置而已。采 用本测试卡，您可以很方便的测量出畸变当量和精度。使用斑点（或质心）分析测量软件就可对斑点中心定位。栅格图案按比例缩小，因此一个图案可用在各种镜头 和视场。包装上附NIST跟踪认证，根据标准MIL-STD-45662A。
技术数据：
Target Tolerances | ||
Chrome on Glass and Chrome on Opal Targets | White Reflective Mylar® Targets | |
Placement of Square Arrays | ±0.004mm | ±0.02mm |
Dot Diameter | ±0.0025mm | ±0.013mm |
Dot Center to Center Spacing | ±0.0025mm | ±0.013mm |
Grid Corner to Corner Accuracy | ±0.004mm | ±0.2mm |
Target Dimensions | ||||||
A | B | C | D | E | ||
3 Frequency Glass Targets | Square Length (mm) | 50.00mm | 25.00mm | 12.50mm | N/A | N/A |
Dot Diameter (mm) | 1.00mm | 0.50mm | 0.25mm | N/A | N/A | |
Dot Spacing (mm) | 2.00mm | 1.00mm | 0.50mm | N/A | N/A | |
5 Frequency Glass Targets | Square Length (mm) | 50.00mm | 34.00mm | 20.00mm | 10.00mm | 5.00mm |
Dot Diameter (mm) | 1.00mm | 0.50mm | 0.25mm | 0.125mm | 0.0625mm | |
Dot Spacing (mm) | 2.00mm | 1.00mm | 0.50mm | 0.25mm | 0.125mm | |
3 Frequency Mylar Targets | Square Length (mm) | 150.00mm | 75.00mm | 37.50mm | N/A | N/A |
Dot Diameter (mm) | 3.00mm | 1.50mm | 0.75mm | N/A | N/A | |
Dot Spacing (mm) | 6.00mm | 3.00mm | 1.50mm | N/A | N/A | |
5 Frequency Mylar Targets | Square Length(mm) | 150.00mm | 102.00mm | 72.00mm | 48.00mm | 24.00mm |
Dot Diameter (mm) | 3.00mm | 1.50mm | 0.75mm | 0.50mm | 0.25mm | |
Dot Spacing (mm) | 6.00mm | 3.00mm | 1.50mm | 1.00mm | 0.50mm | |
订购信息：
Chrome on Glass, 3 Frequency Grid Distortion Target
库存 #46-250
Coating: | Vacuum Deposited Chromium Oxide (Specular Reflectivity <5% @ 550nm) |
Substrate: | Float Glass |
Dimensions (mm): | 76.2 x 76.2 |
Surface Quality: | 40-10 (within 51mm Square Area) |
Thickness (mm): | 1.5 |
Type: | 3 Frequency |
Surface Flatness: | 4 - 6λ |
RoHS: | 符合标准 |
Chrome on Opal, 3 Frequency Grid Distortion Target
库存 #58-774
Coating: | Vacuum Deposited Chromium Oxide (Specular Reflectivity <5% @ 550nm) |
Substrate: | Opal Glass |
Dimensions (mm): | 76.2 x 76.2 |
Surface Quality: | 40-10 (within 51mm Square Area) |
Thickness (mm): | 3.175 |
Type: | 3 Frequency |
Surface Flatness: | 4 - 6λ |
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