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Dew shield
01
露水遮挡, 湿气保护装置
a device that attaches to the front of a camera lens or telescope to prevent moisture from accumulating on the lens, typically during outdoor use in humid or dewy conditions
What is a "dew shield"?
A dew shield is an accessory used with telescopes and camera lenses to prevent condensation from forming on the optical surfaces. It extends outward from the lens or telescope, providing a barrier that helps keep moisture, dew, and frost away. This accessory ensures clearer views and better image quality by reducing the chance of lens fogging and improving overall performance during observations or photography.
dew shield
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