In perfect condition, open box

• Filter size 31 mm - round, unmounted - filter thickness 2 mm
• Set of L-R-G-B filters
• High-quality anti-reflective coating, thereby scattered light and reflections are reduced to a previously unknown level
• Steep edges for maximum contrast and best possible suppression of artificial light illumination
• Balanced RGB design allows color channels to be captured with the same exposure time
• Each filter is supplied in a high-quality stackable filter box