Cheap fisheye lens for digital cameras
Getting a super-wide-angle view on the world with your digital camera can be cheap and easy. Instructables, an online community of do-it-yourselfers, explains step by step how to give your camera a fisheye lens with a 160 degree view.
digital view for cheap.
Your local hardware store should have a wide-angle door viewer. Or go to Home Depot, as the Instructables blogger did, where one was available for the princely sum of $11, and fit nicely on a Canon S230.
Place the hardware in front of the camera lens, zoom in and take your wide-angle shots. Instructables suggests using Photoshop to edit pictures, to enhance the fisheye effect.
The Instructables blog took its inspiration from another site, Aggregate.org, though one member of the community remembers seeing the tip in the 1970s in Popular Photography. Obviously that was for cameras using regular film.