http://www.cleverscampcamp.com/camping-panoramic/

Are Opteka fish eyes Good For olympus?
I want to buy a fish eye lens for my Olympus E-520
are these any good.Is Opteka any good at all??
Will either one of these effect quality alot?
If these are totally no good whats better that are cheaper then $150.
http://www.amazon.com/Opteka-Panoramic-Panasonic-DMC-FZ18-DMC-FZ28/dp/B0017W1HO8/ref=sr_1_1?ie=UTF8&s=electronics&qid=1228064108&sr=8-1
http://www.amazon.com/gp/product/B001K5WI1S?ie=UTF8&tag=digitalbestbuy-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B001K5WI1S%22
They’re not actually “good” for any brand, but they are cheaper than buying an actual fish eye lens for your camera.
If you just want to play around with fisheye, they are “good enough”.
If you find you like it, it will improve your shots greatly if you get an actual fisheye lens for your camera.
Camping panoramic FLOOD