Lenses

Tropical Storm Frank off the south western coast of Baja California, captured by Ames Research Centre's HDVis camera mounted on Nasa's Global Hawk unmanned research aircraft. Credit: NASA/NOAA

Removing distortion with optical design

Theia Technology’s Mark Peterson outlined the benefits of rectilinear lenses at AIA’s vision solutions conference. Greg Blackman reports

SWIR imaging can show bruising in fruit that wouldn't be evident with a visible camera. Credit: Sony

Optics design challenge for SWIR

Edmund Optics’s Thomas Armspach-Young and Boris Lange consider the optics needed to get the best out of Sony's new short-wave infrared image sensors

Aberrational balancing of MTF in lens design

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This white paper from Edmund Optics examines a hybrid approach to lens design for when a custom lens optimised for a specific magnification, working distance and sensor is not feasible. Lenses can be designed such that the spacing between elements or groups of elements can be adjusted; fine-tuning an existing design in this way can produce excellent results in less time and at a lower cost than a full custom design.

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