Making a 33 cm f/4.8 mirror on the Mirror-o-Matic 3: moving on to C180 grit
Автор: Jan van Gastel's video's
Загружено: 2017-12-06
Просмотров: 4389
Описание: With the sagitta still 0.1 mm from what it should be, I moved on to C180 grit. The extra weight is now 2.5 kilo's instead of 7.5. Keeping 23% overhang and rotate the mirror a little less then 90° every 15 minutes. Turn table speed now around 65 RPM.
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