Vinyetting caused by filter holder

[Tapeman]

My Cokin P series filter holder causes vinyetting at widest focal lengths.
What other systems are big enough to eliminate this?
I'm having this problem on my 28-70 2.8 L & 20-35 3.5-4.5 USM
I use this holder mostly my for split ND filter.

[Tapeman]

Vignetting

[Tapeman]

mike_digital's reply sounds good. Does anyone else like Lee?
Other sugestions?

[robertwgross]

I use Cokin P types also, and I don't see a problem.

I believe that John Shaw suggests to take a hacksaw and cut off the outer-most track of the holder. Make it so that it only holds two filters instead of three. Hell, I've never used more than two at the same time anyway.

---Bob Gross---

[iwatkins]

Cokin actually make a single slot P series holder. Same as the three slot, only without the two extra slots.

Cheers

Ian