82mm lens hood???

[pnstenquist]

I need an 82mm lens hood, preferably at least six inches long. I have an 82mm 
circular polarizer that I want to use on my A 4005.6. The 400 has a built in 
hood, but it takes a 77mm filter. With the 82 on the front, I can't extend the 
hood. Any ideas?
Paul