Tag: tele converter

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Astounding possibilities in the optics-sector: contact lenses with built-in tele-converter and zoom-able glasses operated by blinking

The following news are not directly related to photography, but they do show what has become possible in optics. As EurekaAlert has reported, scientists of the Swiss Federal Institute of Technology in Lausanne (EPFL) have conceived two very interesting optical aids. The first is a tele-contact-lens with a 2.8 converter which increases the focus length ...