77mm filter....

Opinions vary and as I stated above some like the effects of the uneven darkening of the sky if you are not careful not to mention star burst that can occur. As I also stated, I suggested trying one out before spending the cash to ensure that is the route he wants to go. Here is a decent site that list some of the pro's and con's of using one on a wide angle: http://www.luminous-landscape.com/tutorial​s/polarizers.shtml

So, I have done my research and still stand by the fact that it varies on experience and option on what you want to achieve.

As a 10-22 owner who recently bought a B+W slim CP I would recommend not getting the slim version.

Needsnow wrote in post #6020794
Personally, I don't like the "slim" filters. They don't have front threads for things such as a lens cap, or ND filters.

The slim filter comes with a friction-fit lens cap that continuously falls off. Very annoying.

Rebel_XT_Newbie wrote in post #6020730
You need a filter that is very thin and will see that the B+W filters that are CP thin(slim) are very expensive. Vignettign occurs at the ends of the lens and on the actual picture the corners will appear black. This is because the threads on the filters block the light coming into the lens...

Rebel_XT_Newbie wrote in post #6020836
Don't disagree, however I was always under the belief that on a wide angle slim was your best chance to avoid vignetting...

Unless you're stacking the CP on another standard thickness filter, you won't notice vignetting. I have a B+W MRC UV filter of standard thickness (has front threads) and I notice no vignetting even at 10mm. If you stack the slim on top of this, you will get vignetting.

tomdlgns wrote in post #6015412
i just got my 10-22 and i want to protect it and get a filter that will have some type of use...other than just protection...

what is a good CPL filter?

i was reading about the CPL filter that canon make and every review said it doesn't allow you to use the canon lens cap...

and that filter was $124.xx.

the last thing i want to spend $$$ is a filter that needs an aftermarket cap.

for starters, i just want a filter to protect the glass, i am assuming they make a plain 'clear' filter.

CPL would be nice to bring out colors.

thanks.

STOP! Don't buy a Circular Polarizing Filter as a protective filter!

The OP wants a protective filter that you can leave on all the time. A CPL can not be left on all the time. It causes up to 2 stops loss of light! Do you really want to leave that on all the time?

msowsun wrote in post #6081376
STOP! Don't buy a Circular Polarizing Filter as a protective filter!

The OP wants a protective filter that you can leave on all the time. A CPL can not be left on all the time. It causes up to 2 stops loss of light! Do you really want to leave that on all the time?

well, i did say that i wanted a CPL, however, after getting all of the responses, i am not sure that i want a CPL...maybe just a protective/clear filter.

I've gotten several filters and other items from hvstar. Excellent experiences all.