Custom Optics & Capabilities Resources Use our helpful tools, guides, videos and other resources to solve your optical design challenges. Optical Manufacturing Tolerance Chart This chart provides materials we use, diameter range, coatings, lead time, core competencies, ideal quantities, and our top 10 Asphere design tips. The chart is beneficial to our customers and potential new customers to know what our manufacturing limits are when specifying their optical components. What's Included: Range of diameters accommodated Our core competencies in lens manufacturing Processing quantity range Top 10 tips for designing aspherical lenses Copyright © 2026, LaCroix Precision Optics