Which CPL filter should I buy?

Hello,
Last week I bought a 5DC+17-40
And now Im willing to buy a CPL filter for the 17-40 (77mm)
I need it for very wide angles (at 17mm) and Ill shoot landscapes with it, please suggest me a good filter for these demands.
Thanks alot, Steve.

B+W 77mm CPL KSM for $114 - link

Another vote for B+W KSM

Here's a good review.
I bought Marumi and am very happy with it.

Thanks guys, but I forgot to mention that my budget is around 50$.
What is better at the b+w than others?

TheNewLegend wrote in post #15595244
Thanks guys, but I forgot to mention that my budget is around 50$.
What is better at the b+w than others?

It polarizes better. There's less weird tints. Their glass is flatter. The MRC coating is great optically, but is simple amazing mechanically. They're made in germany if it matters.

And generally the company has a reputation of making excellent products.

A 77mm polarizer for 50 bucks would generally give you a major tint and probably be single coated.

I bought Marumi as well and am very happy with mine. I'm not sure $50 will get you anything but a waste of $50 at 77mm. If you can spend $100, you can get Marumi or maybe even single coated B+W.

Can't remember how much I paid for it, but I use a Hoya Pro1 CPL. Its ok.

Sirrith wrote in post #15595899
Can't remember how much I paid for it, but I use a Hoya Pro1 CPL. Its ok.

I got my Hoya Pro1 CPL (77mm) for $12 with Amazon Prime (price mistake, but they honored it)...so I love it.

But I also have a KSM that I paid full price for. Price aside, I prefer the KSM. Considering price, I prefer the Hoya.

rgs wrote in post #15595890
I bought Marumi as well and am very happy with mine. I'm not sure $50 will get you anything but a waste of $50 at 77mm. If you can spend $100, you can get Marumi or maybe even single coated B+W.

For 114 you get MRC coated B+W

OP- I have a 77mm B+W CPL that I would sell to you for $70 PPal and shipped. It's single coated, but in flawless shape. Let me know if you're interested. FYI I also have 77mm B+W UV and Hoya Pro-1 UV that I would sell too.

This is what I use. In various sizes.

I know it is over your budget, but I have this one and it works very well.
http://www.amazon.com …izer-Filter/dp/B003QSG0HK
Not near as expensive as some. And the reviews have been very positive.

+1 on the B+W

pdrober2 wrote in post #15595043
B+W 77mm CPL KSM for $114 - link

That is really cheap. A few months ago, it was $150 for 77mm. Highly recommend B+W KSM CPL filters.