Use a Dab of Vaseline to Take Vintage-Style Photos
The low-quality lenses and loose tolerances of vintage consumer cameras often gave photos a slightly distorted and dream-like quality. Capture that vintage-feel with little more than a dab of Vaseline.
Early inexpensive consumer-grade cameras were manufactured with cheap materials and very loose tolerances which led to distortion on the edges of the photo and other effects. Photojojo,a DIY photography blog,shares a simple hack to help you easily recreate the effect:
http://content.photojojo.com/tips/four-easy-vintage-tips/