Prevents Condensation on Lenses For Camera Lenses and Telescopes High-Tech Graphine Material Fits Outside Diameter Less Than 4.3" Rapid Heat Up 3 Power Settings: Low, Medium, & High Operates in Temper
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Circular Polarizer Filter 2.5x Filter Factor, +1.3 Stops Helps to Eliminate Reflections and Glare Reduces Haze in Landscapes Greater Color and Tonal Saturation Optical Glass Construction Multi-Coated,
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