Embodiments of methods and systems for controlling access to information stored on memory or data storage devices are disclosed. These traits set \u2018VIOLET LACE\u2019 apart from all other existing varieties of Lavandula known to the inventor. A difference kernel is defined based on local differences between a first kernel and a second kernel that are defined by the filter kernel centered at a first location and a second location, respectively. The RAID controller writes the new data and the new parity aligned to the blocks of the second block size, wherein portions of the old data that are not overwritten by the RAID controller are also written to the blocks of the second block size. The barrel is made of high-impact plastic. The first lens group is convex on the object side, the second lens group is made of an optical resin material that is convex on the object side, and the third lens group is made of an optical resin material that is convex on the image side.