On my vents I use a smoke lens until I end up in the woods or it's darker at which point I switch to my main amber lens. I used to use a clear lens but I've been trying the amber out and it's working pretty good so far.

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Proud to be Canadian! Maple Core Captain
Gear: Vents avatar goggles with amber lense, Marpat BDU, Marpat boonie hat, Marpat MOLLE plate carrier, Canadian army surplus tan boots, Ariakon Overlord with hip holster, Xtreme rage gloves, Crossfire 68ci hpa tank, remote coil with slide check, Midland Radio with throat mic.
Marker: Tippmann A5, X7 hopper, Freak kit, Opsgear G36 folding stock, Lapco offset sight mount, NC Star 1x40 red dot sight, TechT complete cyclone kit, polished internals, JT tactical 3point sling.