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petzval condition meaning in English

珀兹伐条件

Related Words

  1. petzval surface
  2. petzval sum
  3. petzval lens
  4. petzval type objective
  5. petzval protrait objective
  6. petzval curvature of field
  7. petzoldt
  8. petzova
  9. petzval curvature of field
  10. petzval lens
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