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A zoom lens, a system of camera lens elements for which the focal length and angle of view can be varied. Size ratio (optical magnification) [ edit ] Optical magnification is the ratio between the apparent size of an object (or its size in an image) and its true size, and thus it is a dimensionless number .
People with astigmatism have more difficulty with night driving and can have a decreased productivity due to errors. However, there are many ways to help correct astigmatisms: The use of glasses or contacts, Toric intraocular lenses, Toric implantable Collamer lenses, and/or corneal refractive surgery have been shown to correct astigmatisms.
The Republic of Cyprus scored 25/100 in press freedom, 5/30 in Legal Environment, 11/40 in Political Environment, and 9/30 in Economic Environment (the lower scores the better). Reporters Without Borders rank the Republic of Cyprus 24th out of 180 countries in the 2015 World Press Freedom Index, with a score of 15.62.
Luxottica Group S.p.A. is an Italian eyewear conglomerate based in Milan. As a vertically integrated company, Luxottica designs, manufactures, distributes, and retails its eyewear brands all through its own subsidiaries. The company, presently organized as a subsidiary of EssilorLuxottica which formed when the Italian conglomerate merged with ...
Viewfinder eyepiece. A digital single-lens reflex camera ( digital SLR or DSLR) is a digital camera that combines the optics and mechanisms of a single-lens reflex camera with a solid-state image sensor and digitally records the images from the sensor. The reflex design scheme is the primary difference between a DSLR and other digital cameras.
July 9, 1967 – August 15, 1967 (37 days) (medical separation) Unit. United States Army Reserve. Mitch McConnell's voice. McConnell speaks on Senate bipartisanship in his first speech as Majority Leader. Recorded January 7, 2015. Addison Mitchell McConnell III [1] ( / məˈkɒnəl / mə-KON-əl; born February 20, 1942) is an American ...
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