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Corrective lens. A corrective lens is a transmissive optical device that is worn on the eye to improve visual perception. The most common use is to treat refractive errors: myopia, hypermetropia, astigmatism, and presbyopia. Glasses or "spectacles" are worn on the face a short distance in front of the eye.
Trade discount is the discount allowed on retail price of a product or something. for e.g. Retail price of a cream is 25 and trade discount is 2% on 25. Trade rate discount . A trade rate discount, sometimes also called "trade discount", is offered by a seller to a buyer for purposes of trade or reselling, rather than to an end user.
Release. September 9, 2019. ( 2019-09-09) –. present. The Pat McAfee Show is a three-hour daily sports talk show hosted by WWE commentator Pat McAfee on ESPN, ESPN+, ESPN's YouTube channel, and McAfee's own YouTube channel. Only the first two hours air on ESPN; the final hour airs exclusively on ESPN+ and YouTube.
Ten-codes, officially known as ten signals, are brevity codes used to represent common phrases in voice communication, particularly by US public safety officials and in citizens band (CB) radio transmissions. The police version of ten-codes is officially known as the APCO Project 14 Aural Brevity Code. [1]
Since real lenses have transmittances of less than 100%, a lens's T-stop number is always greater than its f-number. With 8% loss per air-glass surface on lenses without coating, multicoating of lenses is the key in lens design to decrease transmittance losses of lenses. Some reviews of lenses do measure the T-stop or transmission rate in their ...
Candler-McAfee is an unincorporated community and census-designated place (CDP) in DeKalb County, Georgia, United States. It is located east of Atlanta [4] approximately 10 miles (16 km) east of Downtown Atlanta and to the south of Decatur, Georgia [5] The population was 23,025 at the 2010 census.
The field of view ( FOV) is the angular extent of the observable world that is seen at any given moment. In the case of optical instruments or sensors, it is a solid angle through which a detector is sensitive to electromagnetic radiation. It is further relevant in photography .
Barcode. A UPC-A barcode. A barcode or bar code is a method of representing data in a visual, machine-readable form. Initially, barcodes represented data by varying the widths, spacings and sizes of parallel lines. These barcodes, now commonly referred to as linear or one-dimensional (1D), can be scanned by special optical scanners, called ...
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