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请参阅系列中所有 4 产品

3种频率网点畸变测试片,基底为镀铬玻璃

库存 #46-250
RMB 3,900.00
数量 1-5
RMB 3,900.00
数量 6-10
RMB 3,510.00
数量 11+
索取报价
涂层:
Vacuum Deposited Chromium Oxide (Specular Reflectivity <5% @ 550nm)
基底:
Float Glass
尺寸 (mm):
76.2 x 76.2
表面质量:
40-10 (within 51mm Square Area)
厚度 (mm):
1.50
类型:
3 Frequency
表面平整度:
4 - 6λ
RoHS:

产品系列说明

  • 可校正成像系统
  • 不同的视场角有着不同的空间频率
  • 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。

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.

技术信息

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
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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