These are two pics of the same insulator. The left was taken at 2 feet away with a filled viewfinder. The right was taken at 6 feet away using the zoom to fill the viewfinder. Which one do you think is the better picture?

Browse through any of the pics in this pic folder and you will see a lot of Phisheye Photos. In some cases it might not matter. But in others, especially in those where a question as to the profile of a piece is concerned, the picture posted can make a big difference.