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Page 1: Grinding f/3 Mirrors

Grinding f/3 Mirrors

Mel BartelsRETA 2010

Page 2: Grinding f/3 Mirrors

Deep Curves

Page 3: Grinding f/3 Mirrors

Meniscus Shape

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Laps

Page 5: Grinding f/3 Mirrors

Ronchi Test

Page 6: Grinding f/3 Mirrors

Indoor Star Test

Page 7: Grinding f/3 Mirrors

Outdoor Star Test

Page 8: Grinding f/3 Mirrors

Equivalents

• 50 cm f/5 is equivalent to 34 cm f/3

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Conclusion

• With coma corrector, cannot detect visual difference from f/5

• Plan on practicing parabolization


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