Quote:
Originally Posted by alvinxie89
i am wondering what size of the filters should i go for? the 84/85mm ones or the 100mm ones. Since i am currently using a 60D with a 17-55mm with a 77mm filter thread, will i need to go up to 100mm filters?? I would see myself upgrading to a 10-22mm lens for my landscape works though. But it is also a 77mm lens. So would i need a 100mm filter for this UWA lens?
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You'll be fine with the size of the Cokin P system (or equivalent) which is about 85mm. However, when you get your 10-20 you could have a problem with this system. Even with the wide-angle filter holder you will still get vignetting up to about 12mm, after that you'll be OK.
I resolved this by modifying the wide-angle holder to take one filter only (instead of two), but it's a bit of a fiddly operation.