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K&F Concept Nano-K Black Diffusion 1/8 HMC 40.5mm Lens Filter New In Box
Product Details
K&F Concept Nano-K Series Black Diffusion 1/8 HMC 40.5mm Lens Filter. New in box. Designed to create a subtle cinematic diffusion effect by softening highlights and reducing digital sharpness while maintaining overall image detail. Features: β’ 40.5mm filter size β’ Black Diffusion 1/8 effect β’ Nano-K Series β’ HMC (Multi-Coated) optical glass β’ Slim frame design β’ Suitable for compatible camera lenses with a 40.5mm filter thread Condition: New in original box. The outer box shows minor shelf/storage wear, including light scuffs and corner wear, but the filter remains unused and protected inside. Please review all photos for details and compatibility before purchasing.
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.




