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It looks to me to be either crazing of the antireflection coating or crazing of the outermost glass element. I would guess its the coating as the cracks do not look deep enough to be the glass itself. Crazing is actually micro-cracking but the term is usually applied to cracks that are shallow. When you get a lot of deep hairline cracks it's usually called crushed, cracked or fractured. In this case it is a lot of hairline fractures of the optical coating. What did you do to cause this? Who is the manufacturer? |
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