I just bought my third pair of Smith Turbo-Fan goggles, this one with the "sensor mirror" lens for low light conditions.? These are to go with my other Turbo-Fans with the RC36 lens for all other light conditions.? For someone that wears glasses, the Turbo-Fan is just awesome.? All goggles will exhaust air when you are moving, these allow me to clear any fogging before I start down.? I find that especially useful on high-humidity days (like when it's snowing) or whenever I have to work a little bit to get to where we are skiing.
Although I've never "really" used the sensor light, I had to put it on today and see what it's like (so I tried it in the light and in the parking garage).? I'm already impressed.? When on, they are like having on shooter's glasses (or goggles with the yellow tint) but aren't nearly as overwhelming in bright light as the yellow goggles I have tried on.? From the outside the lens actually looks a little bit blue (because it's filtering out blue light?) but they actually look more yellow when I have them on.? They are rated about 72% light transmission as opposed to the rose tinted RC36 (about 38% light transmission).? Smith's yellow goggle is about 80% light transmission, but all of their lenses transmit different percentages of light at varying wave lengths of light, so the percentage numbers aren't the whole story.
I've haven't used anything other than Smith for the last 10 years (because I love the fan), so can't really compare to other's current goggles, but I love the RC36 lenses and I think I am going to like the Sensor Mirror even more.
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The Turbo Fans are an expensive goggle, but well worth it as far as I am concerned for anyone that wears glasses, and they have been very reliable even surviving the fan occasionally getting packed with snow.? In fact, I've had other people become users after skiing on days where they were fighting fogging on their glasses and I was fine.