
I ordered sapphire lenses for my M-frame 2.0, they fit great, are snug and snug, I'm not worried about the lens falling out. Fits perfectly. The problem I had was that I was expecting a much darker lens and the photos looked like the sapphire was the darkest shade. My eyes are sensitive to the sun and I work outside. Let's see how they fare here over the next few days, although I was hoping they would be darker.

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