varifocal lens — kintamojo židinio objektyvas statusas T sritis fizika atitikmenys: angl. variable focus objective; variable focus lens; varifocal lens vok. Objektiv mit veränderlicher Brennweite, n; Varioobjektiv, n; Zoom Objektiv, n rus. вариообъектив, m;… … Fizikos terminų žodynas
varifocal lens — noun A spectacle lens whose magnifying power varies from top to bottom, allowing them to be used for both distance use and for reading … Wiktionary
varifocal lens — |verē, |va(a)rē+... noun Etymology: vari + focal : zoom lens … Useful english dictionary
varifocal — [ˌvɛ:rɪ fəʊk(ə)l] adjective denoting a lens that allows an infinite number of focusing distances for near, intermediate, and far vision. noun (varifocals) varifocal glasses … English new terms dictionary
varifocal — adj. & n. adj. having a focal length that can be varied, esp. of a lens that allows an infinite number of focusing distances for near, intermediate, and far vision. n. (in pl.) varifocal spectacles … Useful english dictionary
Zoom lens — Nikkor 28 200 mm zoom lens, extended to 200 mm at left and collapsed to 28 mm focal length at right A zoom lens is a mechanical assembly of lens elements for which the focal length (and thus angle of view) can be varied, as opposed to a fixed… … Wikipedia
zoom lens — noun a camera lens that magnifies the image • Syn: ↑telephoto lens • Hypernyms: ↑camera lens, ↑optical lens * * * noun : a camera lens in which the focal length and the image size can be varied continuously so that the image remains in focus at… … Useful english dictionary
Parfocal lens — A parfocal lens is a lens that stays in focus when magnification/focal length is changed. There is inevitably some amount of focus error, but small enough not to be considered significant.MicroscopyParfocal microscope objectives stay in focus… … Wikipedia
lente varifocal — Eng. Varifocal lens Ver lente progresiva … Diccionario de oftalmología
variable-focus lens — kintamojo židinio objektyvas statusas T sritis fizika atitikmenys: angl. variable focus objective; variable focus lens; varifocal lens vok. Objektiv mit veränderlicher Brennweite, n; Varioobjektiv, n; Zoom Objektiv, n rus. вариообъектив, m;… … Fizikos terminų žodynas
