This is a 49mm BLACK MIST No.1 filter that reduces contrast and provides a soft texture. I'm selling it because I haven't used it much. The case has some minor scratches. Please refrain from purchasing if you are concerned about this. - Model Name: BLACK MIST No.1 - Size: 49mm - Features: Filter that reduces contrast and provides a soft texture - Package Contents: Filter body, case - Product Type: Lens Filter Thank you for looking.