iphone4可以说是目前全球最火的手机之一，果粉们对iphone4功能的探索可谓层出不穷。下面，就跟新东方留学进入今天的托福阅读材料，看看iphone4是如何完美变身，晋级单反相机的过程吧！

　　前一段时间有人给iphone4加了个三镜头插件，使得iphone4可以完成鱼眼、长焦以及广角的效果。现在又推出了的iphone单反插件，让iphone4也能作为单反相机使用。该插件有两个版本，分别是F-mount adapter专为尼康镜头设计，而EF-mount adapter则可以搭配Canon EOS镜头。该插件有两个部分，分辨是装在iphone4身上的机壳和与镜头配套的连接头。只要花249刀您就可以买入“旅游穷三代，单反毁一生”的快乐小日子。

　　汇集梦想的力量，积累榜样的经验……你来与不来，我都在这里。现在准备好了么？和天道留学一起，《飞 跃常青藤》！

　　If you’re in love with your iPhone 4 and use it as your go-to camera for everyday pics, but meanwhile, your SLR lenses are gathering dust, you may want to explore a way to get the best of both worlds. If you want to expand the camera capabilities of the iPhone 4, a new lens mount that accepts SLR lenses just might be the answer to your prayers.

　　“This case-adapter combo lets you mount your Canon EOS or Nikon SLR lenses to your iPhone 4 giving your phone powerful depth of field and manual focus. Telephoto, wide angle, macro, or your fixed-fifty lenses all attach to this mount giving you a full range of lenses at your iPhone lovin’ fingertips.”

　　While this adapter gives you a world of different choices for phone photography, there are a few drawbacks, including the fact that because the iPhone camera is mirror-less, all photos will be upside down (which can be solved using an app), and it is necessary to manually focus so that you’re not just taking close-ups of the focus screen on the mount. But considering how much more amazing your phone photos will be, those are pretty small drawbacks.

　　There are two versions of the mount adapter, an F-mount adapter for Nikon, said to work with all Nikon lenses, and an EF-mount adapter for Canon EOS lenses. Made from aluminum, the iPhone SLR Mount also has two loopholes on each end of the case for a camera strap, and sells for $249 at Photojojo.

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