Universe Kogaku (America) Inc.

Understanding what focal lengths mean and how they work is very important when trying to find the perfect lens for the job. The focal length of an optical lens is basically the measurement of how strongly the lens can converge or focus and diverge or defocus light. The focal length is determined by how quickly the lens can take collimated rays and bring them into focus. Read more...

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Knight Optical Ltd.

Our lenses are moulded then optically polished enabling them to be used in illumination and focusing applications.

Due to it’s large diameter compared with the focal length, fire polished aspheric lenses have large apertures which are ideal for collecting light. Read more...

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Knight Optical Ltd.

Designed to focus light into a straight line, or to change the aspect ratio of an image

The curved face(s) of a Cylindrical lenses are designed to focus the image or light which passes through onto a straight line rather than to a single point. Read more...

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Tower Optical Corporation

Tower Optical Corporation manufactures custom optical lenses to match your specifications. Read more...

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Tower Optical Corporation

Tower Optical Corporation manufactures custom optical polarizers to match your specifications. Read more...

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Tower Optical Corporation

Tower Optical can supply Custom Optical Filters to your design and to suit your specific applications. Read more...

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Tower Optical Corporation

Tower Optical can supply Custom Optical Bandpass Filters to your design and to suit your specific applications. Read more...

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Tower Optical Corporation

Tower Optical can supply Custom Neutral Density Filters to your design and to suit your specific applications. Read more...

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Tower Optical Corporation

Tower Optical Corporation manufactures custom cylindrical lenses to match your specifications. Read more...

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