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Varifocal lens - Wikipedia
A varifocal lens is a camera lens with variable focal length in which focus changes as focal length (and magnification) changes en.wikipedia.org
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What are Varifocal Lenses? | The EyeDoctors Optometrists
Varifocal lenses, also called progressive or multifocal lenses, correct both near and distance vision. This means that if you have presbyopia, nearsightedness ( ... www.theeyedoctors.net
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Varifocal lenses explained - Glasses Direct
Varifocal lenses provide continuous vision for all distances in a single lens, and correct presbyopia. The first patent for varifocal lenses (which are ... www.glassesdirect.co.uk
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varifocal
varifocal, a. (vɛərɪˈfəʊkəl) [f. vari- + focal a.] a. Having a focal length that can be varied.1945 Jrnl. Soc. Motion Picture Engineers XLV. 466 A new positive Vari-Focal view-finder for motion picture cameras. 1962 Jrnl. Optical Soc. Amer. LII. 353/2 The two-lens varifocal system consists of a sing... Oxford English Dictionary
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What Are Varifocal Lenses? - eyecarecenter
Varifocal lenses (also called progressive or multifocal lenses) are a specialty lens that corrects both near and distance vision. www.eyecarecenter.com
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What are Varifocal Lenses? - EyeCare Associates
Varifocal lenses (also called progressive or multifocal lenses) correct both near and distance vision. www.webeca.com
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Varifocal lens
A varifocal lens is a camera lens with variable focal length in which focus changes as focal length (and magnification) changes, as compared to a parfocal Varifocal lenses can be used for image display as well as capture, and Oculus VR has confirmed developing a varifocal display for virtual reality. wikipedia.org
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How do Multifocal Glasses Differ from Varifocal Glasses?
Varifocal glasses offer an effortless transition from a specific prescription strength to the next. They are essentially multifocal lenses without any obvious ... www.efeglasses.com
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What are Varifocal Lenses? - Nationwide Vision
Varifocal lenses, also known as progressive or multifocal lenses, correct both near and distance vision. www.nationwidevision.com
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Varifocal Lenses | Specsavers UK
Varifocal lenses are the most advanced type of lenses, they feature two types of prescriptions for distance vision and reading. The lenses have a gradual ... www.specsavers.co.uk
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Varifocal glasses with a difference - ZEISS
Varifocals are optical superstars: they offer near vision, distance vision and clear vision in the intermediate zone in just a single lens. www.zeiss.com
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Parfocal lens
Many zoom lenses, particularly in the case of fixed-lens cameras, are actually varifocal lenses, which gives lens designers more flexibility in optical wikipedia.org
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Zoomar
Zoomar (ˈzuːmɑː(r)) Also zoomar. A proprietary name in the U.S. for a make of zoom lens.1946 Jrnl. Soc. Motion Picture Engineers XLVII. 465 (caption) Optical principle of Zoomar lens. 1947 Official Gaz. (U.S. Patent Office) 10 June 177/2 ‘Zoomar’ for varifocal camera lenses. 1961 A. L. M. Sowerby Di... Oxford English Dictionary
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Homepage - welcome to ASDA
Asda Opticians was first introduced to our stores in the year 2000 and is now in over 157 Asda stores across the United Kingdom and Northern Ireland. * Our prices include: Frames, single vision or digital varifocal lenses (if needed for your prescription, excluding the £15 single vision range), anti-reflective coating, tinted lenses (if chosen ...
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Security Cameras | Home Security Surveillance Cameras - Lorex
Lorex N3 4K IP Wired Bullet Security Camera with Motorized Varifocal Lens and Real-Time 30FPS Recording LNB9282B. Reg. $229.99 $195.99 SAVE $34.00 (15%) Multi-pack: Single. 2-pack. 4-pack. Color: Add to cart.
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