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Polarising Filters

Why would you put a piece of junk in front of an expensive high quality lens. You could have saved yourself a lot of money by buying a rubbish lens to begin with. I'd rather go without than use a cheap filter.

Posted by gartmore on 21/06/2009 - 14:55

Polarising Filters

I'd have to agree with gartmore, the entire image taking process will only be as good as its weakest element - if you have a nice camera and a nice lens then a cheap filter will only drag it down. Why not buy one nice filter in the larger (67mm) size and then use a 52>67 step-up ring to allow it ...

Posted by hefty1 on 21/06/2009 - 15:12

Polarising Filters

Well here's my contribution, buy yourself one 67mm Hoya polarizing filter, I assume it is for your SMC F 80 - 200mm lens, and a stepping ring to accommodate your 52mm, that way, the money you would have spent on buy two filters, can go towards one quality filter, after all "gartmore" really is quite...

Posted by Rees on 21/06/2009 - 15:18

Polarising Filters

Although the quality of the glass in a filter plays a part it's not the most important one - that honour goes to the coatings in use. Cheap filters are often uncoated or single coated which means they'll produce glare, false shadows, lack of contrast, etc on your final image. Your Pentax lenses e...

Posted by hefty1 on 21/06/2009 - 15:41

Polarising Filters

Thanks... a 67mm Hoya filter will soon be ordered! I guess it'll offer plenty of flexibility on future lenses as well. Reading about how coatings make a difference made me nervous about those cheap s/h UV/sky filters I've got in front of my lenses. Fortunately it turns out they are all Hoya - ex...

Posted by Pentaxophile on 21/06/2009 - 16:19

Polarising Filters

You can test the quality I believe of a polarizing filter with a copper coin, it should appear black with high quality polarizing filter. I only have B+W so can't test it :| Could someone test it if it's true, i'm not sure you know. :? :)

Posted by Anvh on 21/06/2009 - 16:37

Polarising Filters

I once put some Vaseline on a filter to compare the effect with a Zeiss Softar. I was amazed how much Vaseline it took before the image started to soften. I rarely use filters on digital, but still have mostly Pentax Brand ones. shim

Posted by shim on 21/06/2009 - 19:33

Polarising Filters

I once put some Vaseline on a filter to compare the effect with a Zeiss Softar. I was amazed how much Vaseline it took before the image started to soften. I rarely use filters on digital, but still have mostly Pentax Brand ones. shim shim, I used to do the very same thing with Vaseline, the p...

Posted by Rees on 22/06/2009 - 08:54

Polarising Filters

Getting the Vaseline off the filter is the follow-up headache. I only ever tried this technique once. What a mess.

Posted by johnriley on 22/06/2009 - 09:14

Polarising Filters

Getting the Vaseline off the filter is the follow-up headache. I only ever tried this technique once. What a mess. It's still on mine :lol: It was good, but nothing comes even remotely close to a Softar. I also bought a Tiffen soft focus filter which was really weird. It didn't soften the picture ...

Posted by shim on 22/06/2009 - 09:21

Polarising Filters

Getting the Vaseline off the filter is the follow-up headache. I only ever tried this technique once. What a mess. Yes John, I had really forgotten that part of the process, it was as you say very messy, but the things you used to get up to in those days to save a few pennies, 'Heath Robinson' was t...

Posted by Rees on 22/06/2009 - 09:32

Polarising Filters

I don't quite follow your thinking in buying the Hoya when you think it may not work (it most likely will) when the adapter to use the Kood/Cokin system filter on a 52mm thread is only £2.50. Pentax have stated, that their CPL is really intended for the particular metering system on the LX. And I...

Posted by gartmore on 22/06/2009 - 12:54

ND gradient filters

Hi all. To accompany my new 16-50mm lense i have to throw out the trusty old cokin P series filter system and my ND grad filter with it. I need to purchase a new filter system for the wider angel and was thinking whether it is worth to stay with cokin and go for z series, or change completely. keepi...

Posted by mattox on 26/06/2009 - 16:38

ND gradient filters

I have the Lee filter system and ND grad, just got it recently and I had the chance so use just one time, but they are really good, unfortunately I can`t provdie a comparison with other one, but if you can afford it just go for it.

Posted by jaco on 26/06/2009 - 19:00

ND gradient filters

I use a cokin P filter ssytem on my 12-24 with their wide angle holder, so why do you have to throw away what you already have?

Posted by jon.dc on 27/06/2009 - 08:08

ND gradient filters

You have a point,Jon, if anyone is disgarding filter systems I would be happy to give them a home.:D the filters that is not the members :shock:

Posted by Thordell on 27/06/2009 - 08:12

ND gradient filters

Weather or not a square filter system is usable on a wide angle lens without vingnetting depends on two things the size of the filter and the diameter of the front element. ie a wider angle but smaller diameter lens may not cause vignetting. So its irrelevant to say my Xmm lens does not vignette un...

Posted by Bob and his Pentax on 29/06/2009 - 12:23

ND gradient filters

Do you have one of these. Its a slim filter holder that stops the vignetting when used with a wide angle.

Posted by jon.dc on 06/07/2009 - 16:14

Posted by jon.dc on 06/07/2009 - 16:16

ND gradient filters

Do you have a screw on filter on the front of the lens?, this will compound the issue at the widest angle

Posted by jon.dc on 07/07/2009 - 20:54

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