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A user on dpreview asked:

“I’m looking at ND filters that twist onto the lens
Or buying a cokin P adaptor
I been reading a few reports which dont look favourably on the cokin filters.
But dont know”

My answer:

Buying the cokin system has lots of advantages.

An adapter ring for a different thread size costs about $10, making all your filters work with all your lenses.

Another important thing is that threaded grad NDs force you to put your transitions right in the middle of the frame, where the cokins are large enough that you can actually slide that transition all the way out of the image, or make the whole image go through the darkest part-and anywhere in between!

An grad filters aren’t restricted to NDs, BTW…

So I carry one package of P filters, a few adapter rings, and all my lenses are able to use all my filters.

Complete filter kits and samplers are dirt cheap on eBay and others, and many vendors make their filters for the popular Cokin systems.

Oh, and finally.. you can make your OWN filters out of just about anything-including gels or plastic you find at the hw store!

See my previous article about the Cokin system here.

Something to think about…

I’ve just unpacked a wonderful bundle from B&H: A complete Cokin filter rig!

My Canon 40D has 2 lenses right now, and they’re both 72mm threads. One is a Canon 50mm f/1.2, and the other is a Canon 28-135mm telephoto zoom. I have a few round filters, but I had a real interest in the flexibility of the slide filters.

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