the front lens is attached to the tip of a metal rod known as a "hand-polishing rod." The front lens shown in the photograph has an aperture of around 5 mm—
Polishing equipment is sometimes used for processes other than the final polishing, such as lapping. However, in order to achieve the distinctive shape of the front lens, a final hand-polishing is required.
The center of the work stand is the polishing stand. Hand-polishing is carried out by pressing the lens onto the polishing plate. The polishing plate is rotated anti-clockwise, while the polishing rod is rotated clockwise. Rotating the rod at the precise speed and angle necessary requires skill.
Polishing equipment is sometimes used for processes other than the final polishing, such as lapping. However, in order to achieve the distinctive shape of the front lens, a final hand-polishing is required.
The center of the work stand is the polishing stand. Hand-polishing is carried out by pressing the lens onto the polishing plate. The polishing plate is rotated anti-clockwise, while the polishing rod is rotated clockwise. Rotating the rod at the precise speed and angle necessary requires skill.
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