好,既然你's don't want to talk much about bikes anymore and a few of you are pretty good photographers, I will throw a camera question out there. 我正在使用50m的定焦镜头获得不错的尼康DLSR。我也想获得变焦,但是它们很昂贵,因此有很多选择。关于第二个镜头有什么建议吗?我计划坚持使用这两个镜头一段时间。