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      04-17-2019, 09:54 AM   #56
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Originally Posted by jmg View Post
I am a big Maui Jim fan and I had to switch to cheaper RayBans just for driving, so I feel you. I wish I remember the details, but there was a discussion about how the HUD works and basically the angle of the windshied contributes to the effectiveness of the projection. Vertical scanning wouldn't work because of how the light bounces towards the driver.
I use to be a huge RayBan fan in the past. Actually, the other week I was walking through a store looking for "cheaper" sunglasses for my son and I noticed that some were way less expensive upon looking closer I learned they were not polarized. At the time I was like WTF who would buy this just a price thing...didn't know polarization negatively affected some people.

If you have a link about the vertical scanning, I would be interested in reading it.