NLS, the stock finished lens supply division of The Norville Group, has one of the largest ranges of stock lens supply options in the UK, including a number of unique products. Many are available with tintable hardcoat and smaller diameter options. Our Clarity HMAR coated range has been expanded to include FR 1.56 and Trivex lens materials whilst also including resin options from 1.50 to 1.74 index, many now up to 3.00 cyl as standard. All NLS products are first quality, with flatter base curves as standard.