Or check these out. http://www.lenscoat....arge-p-388.htmlI use an XXL on my 5" dome and it works great. Covers the dome and shade ring nicely and folds over the back of the shade ring a bit. I don't know if there biggest one will stretch over your 8" dome, but if it does, it's less than half the price of similar ones elsewhere. I think I paid $64.95 more my Backscatter cover on my Sea & Sea fisheye dome. They have theirs made locally and they are quite nice.
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