NSG Group has developed the SELFOC Lens Array (SLA) 5EG, which has the combined characteristics of long depth-of-field (DOF), compactness and high-resolution, targeting at document scanners of multi-function printers for office-use as its application. This further expands the range of applications of SLAs, which are currently used primarily in scanners of multi-function printers for family-use.

SLA, developed by NSG, is a unique “plate”-shaped lens. As the product is more compact and enables more uniform image scanning compared with normal lenses, it achieves the number one largest share in lens array products for multi-function printers, banknote scanners, industrial inspection machines, etc. SLA 5EG accomplishes the combined features of long DOF, compactness and high-resolution simultaneously. While in the conventional types of lenses of SLA 5AG and SLA 5DG, the height, thickness and working distance are relatively long, all of those parameters in SLA 5EG are successfully reduced, and volume (size) becomes less than one tenth accordingly compared with the conventional long DOF lenses, enabled by the 300µm extra-fine lens fibres.

SLA 5EG is expected to be widely adopted for the applications that require long DOF and compactness, such as document scanners of multi-function printers for office-use currently supported by reduced lens-optical system, and Automate Optical Inspection in Machine Vision.

NSG will continue to address diverse requirements in the multi-function printer and the Machine Vision markets with the broadened product line up including recently developed products: SLA 5DG (long DOF type), SLA 5AG (long working distance type) and the newly developed SLA 5EG (long DOF and compact type).
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