Overview: Highlight High quality optical closeup glass Reduces minimum focusing distance & increase object details Perfect for macro photography Specification The closeup filter is available individually in various magnifications, namely 10 diopter. High quality closeup optics is used in the manufacture of the various closeup filters to ensure that closeup photographs taken with the closeup filters are crystal clear & sharp. In addition, all zoom lenses mounted with closeup filters are able to stay in focus without distance restriction & therefore highly recommended for macro photography.• Optics: Clear optical closeup glass• Housing: Aluminum• Available mounting • diameter: 49mm to 77mm• Inner thread: Yes Specification:12.0 x 10.0 x 2.0