The quality of a polished mirror is determined by its surface smoothness and accuracy. A smooth mirror will have a reflective surface with minimal scratches or imperfections. The accuracy of the mirror refers to its ability to reflect light to a single point, known as the focal point. This can be tested by using a star test or a Foucault test.
The recommended method for polishing a 200mm f6 mirror is the traditional method of using a series of abrasives, starting with coarse grit and gradually moving to finer grits. This is followed by a final polishing using a pitch lap and polishing compound. It is important to follow a strict and consistent process to achieve the desired surface smoothness and accuracy.
Yes, using a machine for polishing can save time and effort, but it may also require additional skills and experience to operate effectively. A machine can also produce a different surface finish compared to hand-polishing, so it is important to understand the capabilities and limitations of the machine before use.
The time it takes to polish a 200mm f6 mirror can vary depending on the method used, the skill of the polisher, and the desired final quality. On average, it can take several hours to a few days to complete the polishing process. It is important to be patient and take the necessary time to achieve the best results.
The ideal environment for polishing a 200mm f6 mirror is a clean and dust-free area with stable temperatures and humidity. A room with good ventilation and minimal air movement is also preferred to avoid any contamination on the mirror's surface. It is also recommended to work in an area with good lighting to accurately observe the polishing process.