Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Having a variable focal length, with focus that changes in synchronization

Etymologies

Sorry, no etymologies found.

Examples

  • "I've always liked 3D," declares Martin Scorsese breezily, his brown eyes twinkling from behind the trademark black-rimmed glasses which seem larger and more impressively varifocal in real life.

    Martin Scorsese: '3D is liberating. Every shot is rethinking cinema'

  • GlassesFramesandLenses.com can fulfil any prescription and the company is now the only online prescription glasses retailer to offer “back-surfaced” varifocal technology.

    Launch of Glasses Frames and Lenses Sees Clear Online Savings on All Prescription Spec

  • "We are an on-line company, run and owned by a qualified Optician , you can order all single vision on the website, but the more complicated varifocal and bifocals are done over the phone where more information is needed and greater advice offered!" explained a spokesperson.

    Archive 2008-03-01

  • Only first time wearers cannot benefit from our varifocal reglaze.

    Archive 2008-03-01

  • Hi-index lenses are available in single vision, varifocal and bifocal and can have all the usual coatings including tinted too.

    Archive 2008-05-01

  • When we have first time varifocal wearers we always advise them to use their Optician so that all the relevant measurements can be made correctly.

    Archive 2008-04-01

  • The lenses used in security cameras can be monofocal or varifocal.

    Varifocal Auto | Surveillance

  • The monofocal lenses have fixed focal length while varifocal lenses have ability to adjust between different focal lengths using single lens.

    Varifocal Auto | Surveillance

  • This new CCTV camera model is equipped with a 6-50mm varifocal lens which gives security installers a large range to adjust the field of view of the image.

    ThomasNet News - Today's New Product News

  • I notice that if I focus, then zoom (especially towards tele position), then the image is out of focus and I have to focus again, as if the lens was varifocal.

    News: Digital Photography Review (dpreview.com)

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