You have waaayy more patience than me!Now we test fit the lens. It should fit in most of the frame so look at it and see where it doesn't. Take off a little material and fit again.
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Now we see it fits better but still not all the way. See where you need to take off some material and do it.
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Notice where its hitting the frame still. Shave off just a little **** hair and it should fit.
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Close, just a little bit more now. Remember to bevel the edge after you shave off anything.
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Perfect fit.
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Check your inside, make sure you don't have any parts not in flush. If you have gaps here it's too late. DO NOT REMOVE THE TAPE YET.
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Now is the time for wet sanding the edges to get that nice smooth bevel. You can see here its still pretty rough. I've just started it and only one spot is smooth. I use 2000 grit wet sandpaper and I let my thumb be the guide for the lens. I use a moderate amount of pressure and let the lens cradle in the sandpaper and my thumb to get the entire edge and the line where the edge meets the back and front side of the lens. Imagine a sponge flexing to allow more surface area contact with a plate as you wash it. Same thing. Leaving the tape on prevents scuffing the Iridium coating.
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Go all the way around the lens and get the whole bevel nice and smooth.
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Now pull the tape and clean the lenses. Pop them in the frame and you're done.
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