B00RQ89398 Sony FE PZ 28-135mm f/4 G OSS High Grade Multi-Coated, Multi-Threaded, 2 Piece Lens Filter Kit (95mm) German Optics + Nw Direct Microfiber Cleaning Cloth.

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UV Filter (ultraviolet) Haze (1A) for protection against dust, dirt, scratches, fingerprints and the sun’s ultraviolet rays.
Circular Polarizing Filter. Used to increase color saturation, like darkening blue skies so that white clouds stand out.
10 year warranty