The STS-T series is based on high-resolution image chips and is available with resolutions of 12, 20 or 30 megapixels. With the real-time autofocus, any number of barcodes, even if they vary greatly in height, can be easily and reliably captured without mechanical or manual adjustment. With high resolution auto focus camera systems enable real time auto focus it enables a case of product with any number of different sizes products to be scanned an verified without any need for manual adjustment.