What polarising filter???

Track day photographers have to use them!
 
They are only effective from 90 to 270 degrees of the sun
 
They are only effective from 90 to 270 degrees of the sun
 
Exactly Demon, it'll be nice to have it as part of my kit and I certainly wont be breaking the bank to have one. There are a few other goodies that I'm after for my kit bag.
 
Bythesea said:
When you put another layer between the lens and the subject it can affect the resolution of the lens. High quality filters make very little (often imperceptible) difference. Low quality filters are much more likely to be not perfectly flat (quality control), and would then affect the resolution of the lens. The test done here shows up to a 10% difference with a low cost filter.
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You have to use them on a long lens (135mm ++) to really notice a visible difference. We are talking horrible off-brand £3 piece of dump here; even the cheapest multicoated £25 Kenco will be difficult to tell.

^Demon said:
Cheap filter affects sharpness badly, thats what he was trying to say. Actually any filter affects sharpness, UV or poliriser or whenever it just more expensive ones do it less than cheap ones.
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Cheap means £10 or less here, or one of the non-branded ebay specials.

^Demon said:
I doubt many people buy polarisers to shoot cars with no reflection :p
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This is one of the few reasons I pull mine from the bag. I hardly use them for anything else, maybe also for some waterfall shots. That is it.
 
daugirdas said:
You have to use them on a long lens (135mm ++) to really notice a visible difference. We are talking horrible off-brand £3 piece of dump here; even the cheapest multicoated £25 Kenco will be difficult to tell.



Cheap means £10 or less here, or one of the non-branded ebay specials.



This is one of the few reasons I pull mine from the bag. I hardly use them for anything else, maybe also for some waterfall shots. That is it.
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So you would reccomend for a person to buy one like in his case?

Not really sure why you posted this as this is irrelevant considering that you and he are in different financial situation.
 
^Demon said:
So you would reccomend for a person to buy one like in his case?

Not really sure why you posted this as this is irrelevant considering that you and he are in different financial situation.
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Financial situation is irrelevant. Both me and OP can find lots of uses for saved cash, like new lens or travel arrangements - whatever gives the best returns.

Personally I recommend Marumi, Sigma EX or Kenco DMC (but not Hoya!!!) multicoated CPLs. Cheap and very effective even of £1.5k L glass; surely it must be fine on cheaper Sigma zoom.

P.S. Not even the most expensive CPL will be ever acceptable in most situations on ultra-wide lenses. There are exceptions, but mostly this is a truly horrible combination, and that is what most new people here plan on doing. I don't use CPL from until 35mm+
 
Well its been ordered, a Kenko Pro1 Digital DMC with low profile frame. So I guess We'll see when it arrives.
Thanks for all the comments guys.

Dave.
 
daugirdas said:
Personally I recommend Marumi, Sigma EX or Kenco DMC (but not Hoya!!!) multicoated CPLs. Cheap and very effective even of £1.5k L glass; surely it must be fine on cheaper Sigma zoom.
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Hoya and Kenko are basically the same.

There does seem to be confusion in different markets as to whether (and which) one is premium over the other or whether they are the same.

I suspect that the situation isn't helped by the likelihood of fakes being sold - given that there is enough price differential between these sorts of brands and the cheapest filters for the unscrupulous to exploit.

I use three different types (and sizes) of Hoya - bought at different times - a standard green cased on, a slimline, and a Pro-1. Basically all three seem to work well enough. The prices vary such that sometimes you can find the slimline and pro-1 variants for not much more than the ordinary ones. The ordinary one is chunkier but as a result is actually easier to to use. I can't tell the difference in the results when using them - but they're also used on different lenses so a direct controlled comparison wouldn't be feasible. Though the sorts of situations I would use them don't 'stress' them as far as flare is concerned.
 
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