Tag: leica 5cm f/1.5 summarit

Large aperture lens This was Leica’s first truly large aperture lens, the Summarit 5cm f/1.5, which went on sale in 1939. At that time, designing a lens with a large aperture was difficult. The predecessor of this lens was designed and produced by Schneider. Later Leica used it to compete with Zeiss’ large aperture lenses.…