变色镜或许可以test

来源: 老金工 于 2024-05-01 08:25:49 [] [旧帖] [给我悄悄话] 阅读数 : (1022 bytes)
回答: 讨论一下要不要贴膜，怎么贴 由 coorslight969 于 2024-05-01 06:20:59

Most windshields (maybe all) provide significant UV protection. You can test this if you have glasses that darken in direct sunlight. If you check your lenses after driving towards the sun for a few minutes, you will likely find that while you remain in your car, your glasses will not darken.

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