Purchased on Amazon and only used once, then stored. There are no scratches. It's almost new. It will be packaged in a filter case from another brand. A filter that effectively cuts light pollution (light pollution) from artificial light sources such as sodium lamps and mercury lamps. Mainly cuts light in the 570nm to 600nm range efficiently, ideal for astrophotography and nightscape photography. Product Name: Light Pollution Reduction Filter 46mm (Model No.: K14001) Filter Frame Diameter: 46mm External Dimensions: φ48mm, Frame Thickness 3.5mm, Glass Plate Thickness: 1.1mm / Weight: Approx. 7g Filter Effect: Light pollution cut, light pollution reduction Coating: Water-repellent, oil-repellent, anti-fouling, low-reflection Material: Optical glass *Lens caps and filters can be attached. No price reduction.