Includes the 3 filters you need to cover all lighting conditions from sunrise through sunset. A built in polarizer reduces glare and reflections for increased color depth. During Sunrise/Sunset ND4 Unlocks 1/60th Shutter In Sunny Conditions ND64 Unlocks 1/60th Shutter In Overcast conditions ND16 Unlocks 1/60th Shutter Lightweight, Razor Sharp Glass Premium PolarPro Design.
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