K&F CONCEPT NANO-X Series 82mm ND filter. ND2-33 true color - Series: NANO-X - Filter Type: ND Filter - Size: 82mm - Brand: K&F CONCEPT Thank you for viewing. I used it about once after I bought it and have been storing it, but please refrain from purchasing if you are sensitive to the condition as it has been stored at home. If you have any questions, please ask in the comments section before purchasing.