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Deleted user 21 July 2009 12:11:36

henro_ben wrote:
For seascapes I tend to use a hard grad along the horizon and then a mix of soft grads to control the sky & reflections. I find that soft 0.3, 0.6 & 0.9 grads and a hard 0.6 is the most useful combination - for me anyway.

That's interesting. Can you show me a photo where you've combined like that and talk me through the filter placement in the image?

Jeepers 21 Jul 2009 12:14:55 16,616 posts
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Ditto - I'd be interested to see that, if you have time Henro.

henro_ben 21 Jul 2009 12:19:49 2,393 posts
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Ahem, when I said that 0.3, 0.6, 0.9 soft + 0.6 hard is the most useful combination I didn't mean all at the same time ;-)

They're just what I then to have with me in my filter pouch.

I'll dig out a few examples this evening - 0.6 hard and a 0.3 or 0.6 soft is probably the combination I use the most for seascapes.

Jeepers 21 Jul 2009 12:21:29 16,616 posts
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Righty-ho. I'm being a little thick, but would the following work on my lens (a 67mm front)?

The Cokin grad kit
The 67mm adapter to slot into my lens
The Cokin adapter itself

It's the last one that's confusing me - it says it's a p249; the Cokin filters have the reference h250. It might be nothing, but I thought I'd better check

Thanks again everyone - all extremely helpful.

Deleted user 21 July 2009 12:21:40

I didn't think you meant all at the same time. I'm just interested to see how you combined using a hard grad with a soft one.

Deleted user 21 July 2009 12:23:02

Jeepers wrote:
Righty-ho. I'm being a little thick, but would the following work on my lens (a 67mm front)?

The Cokin grad kit
The 67mm adapter to slot into my lens
The Cokin adapter itself

It's the last one that's confusing me - it says it's a p249; the Cokin filters have the reference h250. It might be nothing, but I thought I'd better check

Thanks again everyone - all extremely helpful.

The grad kit already comes with the holder, you don't need the last item you listed.

Jeepers 21 Jul 2009 12:35:02 16,616 posts
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Even better! Thanks Mr Dawkins. That seems a relatively cheap introduction to the whole subject. I'll place an order and see how I get on. Much appreciated.

henro_ben 21 Jul 2009 12:42:31 2,393 posts
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Here're a few quick examples:

0.6 hard and 0.3 soft - hard grad along the horizon to control the sky, soft grad half way down to bring the sky down a little bit more and to control the highlights on the water.

0.6 hard, 0.3 + 0.6 soft This was a tricky one, as it was much later in the morning than I usually shoot - so much brighter light. Hard grad along the horizon, 0.6 soft roughly half way down to (try to) control highlights on water and sand, 0.3 soft reversed coming up from the bottom to control highlight on watermarks in the sand around the rock. Didn't work quite as well as I'd hoped - but more or less ok.

0.6 hard, 0.3 + 0.6 soft 0.6 hard along the horizon, 0.6 soft reversed from the bottom - basically creating a 0.6 ND to slow the exposure. 0.3 soft to control the sky and neaten up the join between the two 0.6's.

Deleted user 21 July 2009 12:49:04

Thanks for sharing. I might give that a try once it finally stops raining here in Dorset.

henro_ben 21 Jul 2009 12:51:39 2,393 posts
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Just experiment, there's not really a correct way of doing this - just whatever works at the time!

Will probably dig out my filters again in the autumn, sunrise is just too early at the moment ;-)

monkman76 26 Apr 2010 13:55:27 18,987 posts
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henro_ben, do you use these Cokin square filters on your ultra-wide stuff? I have a 10-20mm Sigma that I'd like to use these on but am concerned about vignetting. Is the P series OK at 10mm? (DX format)

henro_ben 26 Apr 2010 14:06:53 2,393 posts
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monkman76 wrote:
henro_ben, do you use these Cokin square filters on your ultra-wide stuff? I have a 10-20mm Sigma that I'd like to use these on but am concerned about vignetting. Is the P series OK at 10mm? (DX format)

No, I use Lee filters now with a wide angle adapter, the adapter is recessed slightly behind the end of the lens and the filters themselves are bigger than the cokin p series.

You can use the p series filters with the sigma 10-20mm but you'll get vignetting from the filter holder, it's been a while since I used them but I think you'll get vignetting at 12mm in landscape orientation and at around 11mm in portrait orientation.

They're good enough for the odd occasional shot, you'll just need to crop your final image. If you're planning on using them often it'd probably be better to buy bigger filters - either Lee's or the Cokin ones, Z-Pro's are them I think...

monkman76 26 Apr 2010 14:18:48 18,987 posts
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Great, thanks - where did you get these Lee filters from?

edit - although if they're much more expensive, I can probably live with restricting myself to 12mm :-)

henro_ben 26 Apr 2010 16:21:13 2,393 posts
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monkman76 wrote:
Great, thanks - where did you get these Lee filters from?

edit - although if they're much more expensive, I can probably live with restricting myself to 12mm

You can order them from warehouseexpress.com - but they are substantially more expensive than cokin p series! Also, there are issues at the moment getting stock for certain Lee filters - apparently due to the fact they're hand finished, they tend to concentrate on only one kind at a time or something...

I used P series filters with my sigma for about six months before getting fed up with the vignetting & buying a set of Lees.

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