My favorite model is the Conductor but I decided to try these at a low used price. With larger lenses, conductors are more appropriate as they block almost all light from the sides of the frame. These Sentry have a medium height, so the lenses are slightly smaller and the arms are narrower/thinner. They fit well and surprisingly also block almost 100% of the sunlight coming from the sides of the frame. It has to be the shape of the frame that sits on my cheekbones to block the "side light". The conductors are just a large lens that does most of the "side light" blocking. I will be using this Sentry as a driving couple (leave them in the car) as I have fairly dark tinted windows and am not a huge fan of what they do as they are smaller than what I am used to. I love the polarized and bronze lenses so they are perfect for driving.
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