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Summary Of: Zoom lens
a zoom lens with focal lengths ranging from 100 mm to 400 mm may be described as a... part of a zoom lens can be used as a... The most impressive TV Zoom lens was the VAROTAL III from Rank Taylor Hobson from UK built in 1953... 8 Zoomar introduced in 1959 was the first zoom lens in regular production for still... A simple scheme for a zoom lens divides the assembly into two parts... An important issue in zoom lens design is the correction of optical aberrations... this is considerably harder in a zoom lens than a fixed lens... or if a zoom lens is used as a projection lens... in a fixed focal length lens or a zoom lens with a lower ratio... Encyclodia Page On: Zoom lens
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