Information om | Engelska ordet BIFOCAL

Exempel på hur man kan använda BIFOCAL i en mening

• Progressive addition lenses avoid the discontinuities (image-jumps) sometimes found with bifocal and trifocal lenses.
• Trifocal corrective eyeglass lenses, patented in 1827, also coining the name "bifocal" for the dual focal length lenses invented by Benjamin Franklin.
• Moreover, the synagogue's "bifocal effect" (created by the bimah and the ark facing each other at the opposite ends of the sanctuary), an arrangement rarely seen in old European synagogues, is a common feature of Provençal synagogue buildings, such as those of Carpentras and Cavaillon.
• A bifocal reflectarray has two principle foci, so can focus wavefronts to or from two feeding antennas simultaneously.

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