B01JPNZ72S 58mm Variable Neutral Density NDX Filter for Pentax SMCP-DA 55-300mm f/4-5.8 ED

Make sure this fitsby entering your model number.
Provides Total Versatility in Neutral Density
Adjustable From ND2 – ND1000
Have Control of Any Lighting Environment
Simply Turn Its Exterior Ring to Access Any of the Neutral Density Settings
Save Time Changing or Adding Filters