The technological process of coating on plastic lens is explicated.

较详细地探讨了塑料镀膜的工艺过程；

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It's exacerbated when you shoot through a plastic lens like the one on our fly.

这种感觉在你通过像我们的“飞翔”一样的塑料镜头去拍摄的时候更强烈。

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Black steel case, snap-in plastic lens, brass internal, connection and joint.

黑铁壳，扣入式塑面，铜机芯，铜管子，铜接头。

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The camera looks reasonably rugged, with a plastic protected lens -- it's also water-resistant up to 10 meters.

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The output is then relayed into a 1.4 mm thick plastic waveguide lens with input and output hologram structures on the surface which squeezes the light down the waveguide and then two dimensionally expands the image back into the user's eye, creating an image that is then mixed into the real world.

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Starting at the back, the removable battery cover has a matte, almost soft-touch finish, save for a plastic section surrounding the camera lens and LED flash.

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