Leica Summicron 50mm f2 DR (dual range) v2,这枚镜头是徕卡鼎盛时期的巅峰之作,生产于1956-1968年,DR也是徕卡历史上近摄能力最强的镜头。 迄今为止最好的做工和用料,全铜镜身重量339g+53g眼镜,不接受任何反驳,非现代镜头能比,和rigid一样的7片6组光学结构,拥有超高解析度和锐度表现,两段式对焦行程,最近对焦...
You can read more about its introduction in the 2nd issue of the 1969 Leica Photography magazine, page 20. 1979-1996This 7 element 35mm f/2 lens (11 310) had a 10-bladed diaphragm and weighed 6.7 oz. (190 grams). Except for the squared orange "35" on the side of the barrel, ...