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Grinding f/3 Mirrors

Grinding f/3 Mirrors. Mel Bartels RETA 2010. Deep Curves. Meniscus Shape. Laps. Ronchi Test. Indoor Star Test. Outdoor Star Test. Equivalents. 50 cm f/5 is equivalent to 34 cm f/3. Conclusion. With coma corrector, cannot detect visual difference from f/5

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Grinding f/3 Mirrors

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  1. Grinding f/3 Mirrors Mel Bartels RETA 2010

  2. Deep Curves

  3. Meniscus Shape

  4. Laps

  5. Ronchi Test

  6. Indoor Star Test

  7. Outdoor Star Test

  8. Equivalents • 50 cm f/5 is equivalent to 34 cm f/3

  9. Conclusion • With coma corrector, cannot detect visual difference from f/5 • Plan on practicing parabolization

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