I have a Marumi digital CPL 77mm filter I bought this past summer for $55 it's a great filter I used one time It's not one of them cheap China made filters but from Japan and has ultra-low reflection coating for dig. cameras to minimize flare-ghost
My price is $45 shipped NOW $35 shipped you can't go wrong with this filter at this price
))))))LENS HOOD IS SOLD (((((((I am also selling in great condition the Mamiya rubber hood that works great on the 100-400 or 70-200 2.8. I bought this from B&H used it on these two lenses, I learned about this hood from a local news photographer. it can be seen here