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50mm镜头曾经是35mm单反相机的标准镜头,但它现在已被标准变焦镜头所取代。人们现在更喜欢变焦镜头,这些变焦镜头在短焦端的口径为f/3．5—4,长焦端的口径为f/5．6—6．3,这与上世纪60和70年代的人们的口味大不
The 50mm lens used to be a standard lens for a 35mm SLR camera, but it has now been replaced with a standard zoom lens. People now prefer zoom lenses that have a focal length of f / 3.5-4 at the short focal end and a focal length of f / 5.6-6.3 at the telephoto end, which is similar to what people in the 60s and 70s Great taste