现在的套机镜头性价比越来越高,它们有超声波马达和防抖装置,但无奈最大光圈实在太小,光学质量也较为平庸,因此我们向您介绍功能更加强劲的选择。从卡片机升级到数码单反的用户都迫切希望在第一时间做一件事:立刻出发去测试他们的新装备。因此,许多摄影爱好者都喜欢购买厂商提供的套机——也就是说,在原有的单反机身上加载一支轻便小巧的标准变焦镜头。这支“附赠”镜头的焦距大多都是 Now the kit lens higher and higher cost, they have ultrasonic motor and anti-shake device, but frustration is the maximum aperture is too small, the optical quality is more mediocre, so we introduce you to a more robust choice. Users upgrading from a card machine to a DSLR are eager to do one thing the first time: get started and test their new gear. As a result, many photography enthusiasts love to buy a manufacturer-supplied holster - that is, a compact, standard zoom lens on the original SLR body. This “bonus ” the focal length of the lens are mostly