Stacking order...Filters

Boofers · 12-08-2007, 10:17

Soon I am off to the land of a million water falls, do to lack of experience I am wondering about good settings, haven't used TV mode often. Is stacking important, like polerizer in front of ND for day shots? I have made 1" and 4" shots in midday with good results. Very interested in controling time. Any help with time to practice appreciated.

P-E · 12-08-2007, 10:27

I've always used >ND>Polariser.

I have on occasion suffered from flare and I think

Steve once suggested using a polariser first.

Charlotte · 12-08-2007, 10:38

It's best to put the polariser on first, i.e. next to the lens, so that it polarises ALL light coming into the lens. If you put it on after another filter, you will get stray light coming in (from the edges) that are not polarised, which may give an uneven lighting effect in images.

2nd reason for putting UV on the outside of the polariser is protection ... polariser is more expensive, but UV can take any scratches, dust, knocks etc. + be replaced (if necessary) cheaper than a polariser.

***Dave*** · 12-08-2007, 11:46

Ah, I was just wondering this when I decided to put the Polariser on this morning . Perfect timing ....although now overcast here for taking shots ....doh

silkstone · 12-08-2007, 12:01

Mmm... well.... really it's best to avoid stacking filters at all if possible. All that extra glass is likely to induce flare and degrade the image. There's certainly no need for a UV filter with anything else, and some people say that UVs are a bad idea anyway because, as well as the flare issue, if they get a knock and break, the glass fragments are likely to scratch the lens.

(I chicken out here and do leave a UV filter on because it's safer if I have to clean it with an oily rag.

)

Another thing is that stacking filters with wide-angle lenses can cause vignetting.

**Dabhand16** · 12-08-2007, 12:03

I would not use any other filter with a poloriser

P-E · 12-08-2007, 12:07

This is my usual set up on a Canon 16-35 2.8L Boofers.

UV>ND>Polariser....on occasion I've added another holder to accommodate an ND Grad.

silkstone · 12-08-2007, 12:12

Well at least it gets over the vignetting problem!

P-E · 12-08-2007, 12:13

I have had vignetting but that was when I went OTT

Boofers · 12-08-2007, 12:16

right now I have been trying a polariser on the lens with a ND verible on the outside, I can watch on the camera if I hold the polariser and turn the VND the time change. Does the viewfinder on the 20D let light affect the exposure, or does it need to be covered when checking metering? I haven't been to sure. Thanks for all the comments.

P-E · 12-08-2007, 13:00

I never cover my viewfinder although some would say I should

**Markulous** · 12-08-2007, 15:03

Quote:

Originally Posted by P-E

This is my usual set up on a Canon 16-35 2.8L Boofers.

No one likes a showoff you know, P-E!

Well, I'd say dump the UV as unnecessary and if using ND Grads, dump the polariser. Perceived thinking is that it's better not to use one with waterfalls and if you've an alternative method of reducing exposure then use that

Whilst covering the viewfinder is, in theory, a good idea I believe it only becomes more necessary with the much longer exposure (more than 5 seconds). Having said that, I've never bothered and don't think I've ever encountered ambient light sneaking in!

P-E · 12-08-2007, 17:05

Quote:

Originally Posted by Markulous

No one likes a showoff you know, P-E!

Gawd did it come across like that

**Markulous** · 12-08-2007, 18:09

Quote:

Originally Posted by P-E

Gawd did it come across like that

Nah, not really! But I'm not gonna miss an opportunity for a windup - especially a Canoneer!

12-08-2007, 10:17	#1 (permalink)
Boofers Feet under the table Join Date: Jan 2007 Location: 40 miles south of St. Louis Posts: 2,318	Stacking order...Filters Soon I am off to the land of a million water falls, do to lack of experience I am wondering about good settings, haven't used TV mode often. Is stacking important, like polerizer in front of ND for day shots? I have made 1" and 4" shots in midday with good results. Very interested in controling time. Any help with time to practice appreciated.

12-08-2007, 10:27	#2 (permalink)
P-E Loves the place Join Date: Aug 2005 Location: Sheffield, S.Yorkshire UK Posts: 7,504	Re: Stacking order,,,Filters I've always used >ND>Polariser. I have on occasion suffered from flare and I think Steve once suggested using a polariser first.

12-08-2007, 10:38	#3 (permalink)
Charlotte Loves the place Join Date: Dec 2006 Location: Romsey, Hampshire Posts: 5,795	Re: Stacking order,,,Filters It's best to put the polariser on first, i.e. next to the lens, so that it polarises ALL light coming into the lens. If you put it on after another filter, you will get stray light coming in (from the edges) that are not polarised, which may give an uneven lighting effect in images. 2nd reason for putting UV on the outside of the polariser is protection ... polariser is more expensive, but UV can take any scratches, dust, knocks etc. + be replaced (if necessary) cheaper than a polariser.

12-08-2007, 11:46	#4 (permalink)
*Dave* Pixalo Crew Join Date: Jul 2005 Posts: 14,909	Re: Stacking order,,,Filters Ah, I was just wondering this when I decided to put the Polariser on this morning . Perfect timing ....although now overcast here for taking shots ....doh

12-08-2007, 12:01	#5 (permalink)
silkstone Feet under the table Join Date: Jan 2005 Location: Silkstone Common, Yorkshire, UK Posts: 3,415	Re: Stacking order,,,Filters Mmm... well.... really it's best to avoid stacking filters at all if possible. All that extra glass is likely to induce flare and degrade the image. There's certainly no need for a UV filter with anything else, and some people say that UVs are a bad idea anyway because, as well as the flare issue, if they get a knock and break, the glass fragments are likely to scratch the lens. (I chicken out here and do leave a UV filter on because it's safer if I have to clean it with an oily rag. ) Another thing is that stacking filters with wide-angle lenses can cause vignetting.

12-08-2007, 12:03	#6 (permalink)
Dabhand16 Pixalo Crew Join Date: Jun 2006 Location: Dunstable Bedfordshire UK Posts: 8,999	Re: Stacking order,,,Filters I would not use any other filter with a poloriser

12-08-2007, 12:07	#7 (permalink)
P-E Loves the place Join Date: Aug 2005 Location: Sheffield, S.Yorkshire UK Posts: 7,504	Re: Stacking order,,,Filters This is my usual set up on a Canon 16-35 2.8L Boofers. UV>ND>Polariser....on occasion I've added another holder to accommodate an ND Grad.

12-08-2007, 12:12	#8 (permalink)
silkstone Feet under the table Join Date: Jan 2005 Location: Silkstone Common, Yorkshire, UK Posts: 3,415	Re: Stacking order,,,Filters Well at least it gets over the vignetting problem!

12-08-2007, 12:13	#9 (permalink)
P-E Loves the place Join Date: Aug 2005 Location: Sheffield, S.Yorkshire UK Posts: 7,504	Re: Stacking order,,,Filters I have had vignetting but that was when I went OTT Last edited by P-E : 12-08-2007 at 12:26.

12-08-2007, 12:16	#10 (permalink)
Boofers Feet under the table Join Date: Jan 2007 Location: 40 miles south of St. Louis Posts: 2,318	Re: Stacking order,,,Filters right now I have been trying a polariser on the lens with a ND verible on the outside, I can watch on the camera if I hold the polariser and turn the VND the time change. Does the viewfinder on the 20D let light affect the exposure, or does it need to be covered when checking metering? I haven't been to sure. Thanks for all the comments.

12-08-2007, 13:00	#11 (permalink)
P-E Loves the place Join Date: Aug 2005 Location: Sheffield, S.Yorkshire UK Posts: 7,504	Re: Stacking order,,,Filters I never cover my viewfinder although some would say I should

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