Reduce boundary distortion,
40% thinner than the 1.56 refractive index, used for screw catcher.
Lens material | |
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Segment |
Giảm biến dạng vùng biên,
mỏng hơn 40% so với chiết suất 1.56,
dùng cho gọng bắt ốc.
Lens material | |
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Segment |
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