Cokin filters

DaveG · 19-07-2005, 18:01

I am thinking of getting some ND and graduated ND filters. Will be for a 77mm thread so prices are quite high.

Thought it might be worth heading down the Cokin route, but I don't know much about them. I take it you buy the adaptor and then just slot the filters in?

What is the difference between the A system and the P system?

Thanks
Dave

***Steve*** · 19-07-2005, 18:11

Yes you have basically got the idea. You have one system that fits on to all your different lenses and uses any/all of your filters. To attach the system to a lens you use a special adaptor ring which needs to be the same thread as your lens, so if you have three lenses of different thread sizes you will need three adaptors, the beauty is that each adaptor is on a few £ comparred to the cost of many filters.

The difference between the A and P system is the size of the filters that you use in it. I can't remember without checking what the sizes actually are but I believe the A to be smaller than the P. I myself use the P system and my largest lens is 77mm thread size, this system works great with all my kit.

I have a few grad ND filters and a couple of ND's as well, this suits for the majority of my needs. Also be aware that you can use other brands of filters as long as they fit the system, most manufacturers offer filters specifically for Cokin systems, usually at a discounted price too.

SRB film hold a massive stock of different filters from different manufactures at very good prices. They do mail order and I have used them several times without any issues.

http://www.srbfilm.co.uk/

Hope that helps?

DaveG · 19-07-2005, 18:15

Thanks Steve, that just about covers everything

***Steve*** · 19-07-2005, 20:02

Great, I'll look forward to seeing some of the results

**stepheno** · 19-07-2005, 20:03

I would certainly recommend them - I've just started with Cokin with a Grad ND - brilliant.

regards

DaveG · 19-07-2005, 22:24

Ordered the holder from ebay. Now to get some filters from srbfilm.

What will be the most practical? For the grad ND what filter do you have stephano?

Grad grey light/soft/medium/full and NDx2/NDx4/NDx8?

Also for nice water effects will a full ND x4 be enough?

dod · 19-07-2005, 22:31

you'll find the grey grad in cokin far more versatile than a fixed round filter anyway. I never found the round ones to have the transition from clear to grey to be in the right place for the shot I wanted to take. With the cokin you can move it to suit, within limits.

**stepheno** · 20-07-2005, 07:46

Dave - I started with just the Grad Grey light (P120) but I shall be getting the P121, I think, for a bit more effect.

regards

Matt · 20-07-2005, 16:37

Get yourself a set of three nuetral grads, 1,2 and a 3 stop.
Stacking the 1 & 2 makes 4 stops, so you will have a lot of options.

I have a set of soft grads by SRBfilm

19-07-2005, 18:01	#1 (permalink)
DaveG Been here a while Join Date: Apr 2005 Location: Kent Posts: 262	Cokin filters I am thinking of getting some ND and graduated ND filters. Will be for a 77mm thread so prices are quite high. Thought it might be worth heading down the Cokin route, but I don't know much about them. I take it you buy the adaptor and then just slot the filters in? What is the difference between the A system and the P system? Thanks Dave

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19-07-2005, 18:11	#2 (permalink)
*Steve* Pixalo Crew Join Date: Jan 2005 Location: An Englishman living in Germany Posts: 15,959	Yes you have basically got the idea. You have one system that fits on to all your different lenses and uses any/all of your filters. To attach the system to a lens you use a special adaptor ring which needs to be the same thread as your lens, so if you have three lenses of different thread sizes you will need three adaptors, the beauty is that each adaptor is on a few £ comparred to the cost of many filters. The difference between the A and P system is the size of the filters that you use in it. I can't remember without checking what the sizes actually are but I believe the A to be smaller than the P. I myself use the P system and my largest lens is 77mm thread size, this system works great with all my kit. I have a few grad ND filters and a couple of ND's as well, this suits for the majority of my needs. Also be aware that you can use other brands of filters as long as they fit the system, most manufacturers offer filters specifically for Cokin systems, usually at a discounted price too. SRB film hold a massive stock of different filters from different manufactures at very good prices. They do mail order and I have used them several times without any issues. http://www.srbfilm.co.uk/ Hope that helps?

19-07-2005, 18:15	#3 (permalink)
DaveG Been here a while Join Date: Apr 2005 Location: Kent Posts: 262	Thanks Steve, that just about covers everything

19-07-2005, 20:02	#4 (permalink)
*Steve* Pixalo Crew Join Date: Jan 2005 Location: An Englishman living in Germany Posts: 15,959	Great, I'll look forward to seeing some of the results

19-07-2005, 20:03	#5 (permalink)
stepheno Pixalo Crew Join Date: Jul 2005 Posts: 6,431	I would certainly recommend them - I've just started with Cokin with a Grad ND - brilliant. regards

19-07-2005, 22:24	#6 (permalink)
DaveG Been here a while Join Date: Apr 2005 Location: Kent Posts: 262	Ordered the holder from ebay. Now to get some filters from srbfilm. What will be the most practical? For the grad ND what filter do you have stephano? Grad grey light/soft/medium/full and NDx2/NDx4/NDx8? Also for nice water effects will a full ND x4 be enough?

19-07-2005, 22:31	#7 (permalink)
dod Feet under the table Join Date: Feb 2005 Location: Nairn Posts: 1,911	you'll find the grey grad in cokin far more versatile than a fixed round filter anyway. I never found the round ones to have the transition from clear to grey to be in the right place for the shot I wanted to take. With the cokin you can move it to suit, within limits.

20-07-2005, 07:46	#8 (permalink)
stepheno Pixalo Crew Join Date: Jul 2005 Posts: 6,431	Dave - I started with just the Grad Grey light (P120) but I shall be getting the P121, I think, for a bit more effect. regards

20-07-2005, 16:37	#9 (permalink)
Matt Member Join Date: Jan 2005 Location: Cheshire Posts: 1,326	Get yourself a set of three nuetral grads, 1,2 and a 3 stop. Stacking the 1 & 2 makes 4 stops, so you will have a lot of options. I have a set of soft grads by SRBfilm