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01-08-2013, 04:03 AM   #1
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Advice on Cokin Filters

Hi Guys,

Since buying a Tamron 17-50 f/2.8 recently I've decided I want to invest the Cokin filter system. The Tamron is a much bigger thread at 67mm whereas the kit lens was 52mm. I'm currently in the process of selling my old filters - UV, Polarizing, ND etc and figured I'd rather invest in something like Cokin rather than keep having to buy new filters when I change lenses.

I've done some research and it seems I need the Cokin P series, I've heard a few conflicting reports that some people encountered vignetting at around 18mm with the P series but other people say you can go as low as 10mm with no issues. Can anyone verify if this is the case? I don't fancy getting the Z-Pro ones as they are a lot more expensive!

Secondly with regards to the actual filters themselves, am I ok buying some third party ones off ebay? or are these rubbish and should I get genuine Cokin ones? I'm not looking to buy any graduated filters as I typically add these in post processing. I think I'll only want polarizers and ND filters. With the ND filters, I'm looking for around a 10 stop filters - as these seem very expensive can I simply stack multiple NDs together - I think the P series holder supports up to three filters, what do you guys typically do?

Any help is appreciated.



01-08-2013, 08:27 AM   #2
Digitalis's Avatar

Join Date: Mar 2009
Location: Adelaide.
Posts: 8,795
you will be better off buying genuine Cokin filters, mixing off brand ones is more than likely introduce odd colour shifts - that otherwise would not be there. As for stacking ND filters together - I do not recommend this, because with each consecutive filter you stack you encourage filter flare and ghosting. Cokin GND and ND filters always tend to have a magenta cast - the stronger the ND filter is, the more likely this is to appear.

I use the Lee filter system - expensive, but plate glass filters that are immune to scratching,fading and are easy to maintain are an investment I consider to be completely worth it.
01-08-2013, 09:33 PM   #3
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Join Date: Apr 2010
Location: Central California
Posts: 600
I bought the Cokin P set awhile back and have been underwhelmed. It is probably my own laziness, but I have found that just putting the damn thing on and taking it back off were more hassle than I wanted to deal with while traveling. Now I mostly just take a few of the rectangular filters along and hold them in front of the lens by hand as needed. I leave the rest of the plastic fol-de-rol at home.

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