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Thread started 19 Aug 2010 (Thursday) 04:51
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Does a pro filter degrade optical performance?

 
Lone ­ Rider
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Aug 19, 2010 04:51 |  #1

I've got a Hoya UV Pro filter on my 24-70 L, and I'm now contemplating getting a Pro polarising filter to enhance the blue water for my trip to the South Pacific.

I'm getting mixed reviews though. I'm told no matter how good the filter, I'm not doing my lens or my photos any favours by having them on.

Can anyone please give me some advice with this?


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Anders ­ Östberg
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Aug 19, 2010 04:56 |  #2

You'll get people claiming they hurt, and they don't hurt.

Any extra glass must logically affect the light, but in my experience a high (read: best) quality filter does not degrade image quality visibly. There are a few situations where you'd better remove the UV filter, notably at night time when you may get reflections and flares from strong light sources against a dark background.

As to a polarizer, you can't get that effect without the filter so you have to accept whatever slight other effect it may have on the image. Again, with the best quality filters I don't see any visible degradation.


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Lone ­ Rider
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Aug 19, 2010 04:59 |  #3

Thanks Anders, I wasn't aware about taking the UV filter off at night....it makes sense though...


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ckliv
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Aug 19, 2010 05:04 |  #4

While we are at that topic I'd also love to know whether a protect filter is relevant for IQ. Sorry for jumping your thread but I think that question fits this thread.


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Anders ­ Östberg
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Aug 19, 2010 05:07 |  #5

There's tons of threads on this topic really, you could try searching the forum.


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Karl ­ Johnston
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Aug 19, 2010 05:18 |  #6
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It's all gear elitism. I've used hoya, kenko, cokin, singh ray (which I didn't like at all, ironically), tiffen and now I've settled on lee filters. Cheap, decent, color neutral. I also like kenkos. Kenko is tokina, or tokina is kenko...which I also love.

I think you can't go wrong. I hear a lot of negativity about color casts with cokin, however, but the rest I haven't had a problem with.

A friend of mine uses cokin and he says the magenta cast on his neutral density filters drives him up the wall. Now he wants singh rays. Ugh. The gear hoggery is never ending.


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Anders ­ Östberg
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Aug 19, 2010 05:47 |  #7

As long as you don'y buy the cheapest no-name filters ... there are some really bad ones out there that do affect image quality. Any of the multi-coated filters by the known brands should be OK though.


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argyle
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Aug 19, 2010 06:42 as a reply to  @ Anders Östberg's post |  #8

The best thing to do is pick a good brand and stick with it. I use B+W and Singh-Ray for all round threaded filters, and Lee for rectangular filters (unless they don't offer what I need, such as a reverse GND). I'm not into playing filter roulette by mixing and matching brand after brand after brand.

Personally, I'd stay away from Hoya...too many threads in here about their polarizers falling apart, coatings being very difficult to clean, etc. For these reasons, I swore off giving Hoya a try a long time ago. A search will turn them up...


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jacobsen1
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Aug 19, 2010 08:01 |  #9

can you see as well through a perfectly cleaned window as you can w/o the window there at all? That's a UV/haze filter. But if there's a sand storm outside, you'd much rather have the glass there right?

when you go outside in BRIGHT daylight, can you see as well w/o sunglasses as with? That's kinda like CPs or GNDs... The extra glass/plastic is worth it if the light is painful.


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Lone ­ Rider
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Aug 19, 2010 12:06 |  #10

jacobsen1 wrote in post #10749442 (external link)
can you see as well through a perfectly cleaned window as you can w/o the window there at all? That's a UV/haze filter. But if there's a sand storm outside, you'd much rather have the glass there right?

when you go outside in BRIGHT daylight, can you see as well w/o sunglasses as with? That's kinda like CPs or GNDs... The extra glass/plastic is worth it if the light is painful.

Excellent scope Jacob. I'll check out the B & W Pro lens as well as the Hoya.


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malla1962
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Aug 19, 2010 12:09 as a reply to  @ Lone Rider's post |  #11

Had a Hoya pro1 on mine from new and never take it off.


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themadman
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Aug 19, 2010 12:11 |  #12

Not really. I have Hoya HD and Super HMC filters on many of my lenses and I see no IQ degradation at all.


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Aug 19, 2010 12:15 |  #13

Spotidi, since you already own the filter you should do some test shots with/without to see what you think. Just remember that virtually anything placed in front of your lens could potentially alter the image quality, that you should stick to name brands, and that you usually do get what you pay for so stay clear of the cheaper and off-brand filters.


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CameraJockey
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Aug 19, 2010 12:30 |  #14

B+W high end filters on all my lenses..........its just like anything.........some do and some don't. Test for yourself and see.




  
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ctrlcctrlv
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Aug 19, 2010 12:32 |  #15

B+W MRC filters all the way. I've only ever bought 1 filter, for the 24L II. Every other lens I own just happened to come with the lens when I bought it from someone else, at little or no markup to the price of the lens by the seller :D

Hoya HMC or B+W MRC is the way to go


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Does a pro filter degrade optical performance?
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