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The fisheye effect is a little hit and miss for me. Some people love it, the exaggerated barrel distortion, plumped up faces, bendy buildings and horizon lines, it is one of the things that have become popular with the rise of the Lomography scene worldwide.  Photographers who want to take things one step further can now make their own fisheye lens for their DSLR with nothing more than cheap, readily available products sourced from the nearby hardware store, eBay (or the Lowyat.net forums) and corner shop. The design is based around a body cap, soda can, projector lens and peephole lens. While the components sound like they need a MacGyver style approach, it produces quite stunning digital fisheye shots for less than it cost to fill up a full tank of petrol.

Hit the source for detailed instructions how to make your very own soda can fisheye lens!