What is Optical Design?

by Admin | Jan 10, 2021

Have you ever heard of the term “optical design”? Optical design is the process of designing an entire optical system by combining lenses, mirrors, and other components. Although it is not widely known, Japan’s world-leading optical design technology...

What Problems Do Spherical Lenses Have?

by Admin | Jan 10, 2021

  Lenses come in a variety of shapes, but the most popular of them all is the spherical lens. It is a lens in which both surfaces are spherical. Despite its popularity, spherical lenses inevitably have a problem called “aberration,” which causes...

What kind of shape of lenses TOYOTEC is able to make ?

by Admin | Jan 10, 2021

TOYOTEC can process various lens shapes. The shapes of lenses by material category are as follows ■ Glass Lens Cylindrical lenses ・fθ lenses ・Prism lenses ■ Plastic Lens Aspherical lenses, free-form lenses, fθ lenses, toroidal lenses*1, prism lenses, Fresnel lenses,...

Is coating on lenses possible ?

by Admin | Jan 10, 2021

Yes, TOYOTEC, which operates the Optical Design Technology Navigator, can coat on lenses. In addition to the AR (anti-reflection) coating and metal reflection mirror coating (total reflection, aluminum and copper) commonly used for basic optical products, TOYOTEC can...

(RDL) What is the peripheral illumination ration ?

by Admin | Jan 9, 2021

RDL peripheral illumination ratios are as follows Horizontal: 58% Diagonal: 45% In the central projection method used by the RDL, the vignetting ratio decreases according to the cosine fourth law. The vignetting ratio is inversely proportional to the distortion...

(RDL) What is the allowable distance from the sensor to the edge of the mount ?

by Admin | Jan 9, 2021

It can be used up to 11.7mm. If you use a lens longer than 11.7mm, the image may become blurred and out of focus, so please use it within the allowable distance. If you wish to have a low-distortion optical module manufactured according to your desired specifications,...