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:9.0 x 7.0 x 2.0 cm