Mack has been proudly servicing photographic equipment since 1938. Their factory trained technicians cover a broad range of products. Their customer service support is renowned. 7 year Lens Warranty service plan provides repair coverage for manufacturing defects in non professional level 35mm/APS lenses, FROM date of receipt, including period covered by manufacturer. Covers all parts and labor. Does not cover water, sand, heat, misuse, or impact damage.