The KRL-03 Macro Lens from Kraken Sports features a +12 diopter to produce sharp images with a magnification of 1.8x and a focusing range of 0.4 to 2.6'. Built with a lens construction of 3 elements in 3 groups, a 67mm mounting thread, and a max underwater depth rating of 197', this lens is suitable for your macro and super-macro needs. The optical glass has a multilayer BBAR coating, while the barrel is made from Type II anodized aluminum. Protection is provided by a limited 1-year warranty that covers manufacturing defects.