Enlarging Lenses

Case Study – Under Water Double-Convex Aspheric Lens

March 4, 2024
2 min read
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Key Takeaways

  • Double-Convex Aspheric lens designed for diverse light, especially underwater. 
  • Tailored optical system for > 500mm wavelengths. Petite <3mm double-convex lenses crafted in N-BK7 or N-SF11. Achieved <10mm underwater focus, breaking norms. 
  • Precision engineering for <3mm diameter using CNC grinding, glass molding, diamond turning, MRF finishing, and injection molding. 
  • Tested underwater with varied equipment and light sources, no coatings applied. 
  • Innovative breakthrough for underwater precision. Deviation from norms highlights Avantier’s excellence.

 

Introduction

In the realm of Double-Convex Aspheric lenses, this project represents a groundbreaking development. This case study delves into the evolution of an improved Double-Convex Aspheric lens, custom-designed to cater to customer needs across different wavelengths, especially in underwater scenarios. The initial version served as the starting point, and through meticulous refinements, our goal is to enhance the lens’s performance to better meet the demands of different light source applications in diverse environmental conditions and wavelengths.

 

Project Overview

The focal point of this project involves crafting an optical system tailored to the customer’s specifications, with wavelengths exceeding 500mm, and featuring exceptionally petite double-convex aspheric lenses (diameters less than 3mm). To enhance performance, we implemented designs using N-BK7 or N-SF11, capitalizing on the distinctive properties of these materials. Notably, our design diverges, contributed by cost reduction through the use of N-BK7 or N-SF11, from conventional approaches to double-convex aspheric lenses. Ultimately, we effectively fulfilled the customer’s demands, achieving an underwater focus of less than 10mm.

To read the entire case study, visit Avantier’s website.