Optical glass with multi-coating
Optical glass, oilproof, dustproof and shockproof. Double-sided multilayer blue coating, reduces lens reflections and lens ghosting.
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Slim frame
The filter frame is only 7.4mm, and super lightweight CNC ring used in construction prevents adverse effect.
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Silicone material, soft and smooth, skin-friendly, not easy to stain, dirt-resistant, and easy to clean. Protects the variable ND filter.
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