Opened, but almost unused. There is no dust or debris inside. [Product Features] ■ 80mm F2.8 optical unit compatible with existing Lensbaby optical system interchangeable lenses (Composer, Composer Pro, Composer Pro II, etc.) [Product Specifications] ● Focal Length: 80mm ● Aperture: F2.8 - F22 ● Filter Diameter: 46mm ● Aperture Blades: 12 blades, adjusted by a dial on the front of the optical unit ● Working Distance at Minimum Focusing Distance: 43cm (in macro mode) ● Focusing: Manual ● Lens Construction: 4 elements in 5 groups, multi-coated