
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。
The fixed frequency targets are available in a variety of dot size/spacing combinations to complement our full line of imaging lenses. Select a target to cover your entire field of view while maintaining an adequate number of dots across the field, and an adequate number of pixels per dot. The 3 or 5 grids on the multi-frequency target scale down so that one target can be used for a variety of lenses and fields of view. Both types of targets are available in a chrome on glass or chrome on opal target to accommodate transmission or reflection based on applications respectively. Included in the packaging is a serialized NIST Traceable Certificate of Accuracy per MILSTD-45662A.
测试目标板公差 | ||
玻璃上的铬和蛋白石测试目标板上的铬 | 白色反射 Mylar® 测试目标板 | |
正方形阵列放置 | ±0.004mm | ±0.02mm |
点直径 | ±0.0025mm | ±0.013mm |
点中心到中心间距 | ±0.0025mm | ±0.013mm |
网格角到角的精度 | ±0.004mm | ±0.2mm |
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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 | |
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