型号: | NT36-275 |
产地: | 上海 |
品牌: | 爱特蒙特 |
评分: |
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Negative and Positive Patterns On Glass
Two Sizes Available
Each is Boxed and Includes Resolution Value Chart
High Resolution Target Available (down to 645 lp/mm)
Resolution test slides with the 1951 USAF test pattern are available in either positive (chrome pattern on clear background) or negative (clear pattern on a chrome background). The positive pattern is recommended for quality control of microscopes and magnifiers. The negative pattern is ideal for collimators and other illuminated test equipment. Each is boxed and includes resolution value chart. Targets conform to MIL-S-150A.
Overall Specifications
Substrate Soda Lime Glass with Beveled Edges
Substrate Thickness 1.5mm (0.06")
Flatness ≤0.0001"
Surface Quality 40-10
Coating Vacuum-Deposited Durable Chromium, ≥3.0 Optical Density
Minimum Resolution for #38-256, #38-257, #56-622 and #58-198: Group 0, Element 1
for #36-408 & #36-275: Group -2, Element 1
Maximum Resolution for Standard: Group 7, Element 6
for High Res: Group 9, Element 3
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