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Heyjijdaar View Drop Down
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Post Options Post Options   Quote Heyjijdaar Quote  Post ReplyReply Direct Link To This Post Posted: 19 May 2009 at 14:12
I've seen it's time to change from a #16 to a #1 ranking uv-filter. I've bought myself a new Hoya for my beercan.
 



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Dunadan View Drop Down
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Post Options Post Options   Quote Dunadan Quote  Post ReplyReply Direct Link To This Post Posted: 19 May 2009 at 15:01
Hmm, be careful with those guys... they are quite known in Poland to make not really accurate tests and saying some strange things But quite often they do interesting tests ;-)
Jakub
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Turerkan View Drop Down
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Post Options Post Options   Quote Turerkan Quote  Post ReplyReply Direct Link To This Post Posted: 19 May 2009 at 15:02
i checked out their lenses tests too, and as dunadan said, i didn't realy find their tests very acurrate..
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Dunadan View Drop Down
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Post Options Post Options   Quote Dunadan Quote  Post ReplyReply Direct Link To This Post Posted: 19 May 2009 at 21:14
Originally posted by Turerkan Turerkan wrote:

i checked out their lenses tests too, and as dunadan said, i didn't realy find their tests very acurrate..

It's not my opinion... aluthough I follow it partially. Check test of ZA 85/1.4 - they called this lens a "lens witout AF" - according to them it's worse than bad... Sometimes their tests show totally opossite results, sometimes... well, they have good ideas ( test comparison of old and new Nikon lenses ).

Anyway - simply be cautious, as always in fact... - always take into consideration at least few testing websites' opinions.
Jakub
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OngL View Drop Down
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Post Options Post Options   Quote OngL Quote  Post ReplyReply Direct Link To This Post Posted: 21 May 2009 at 16:39
Anyone has more information on Sony CZ T* filters? I bought those filter for almost all my lenses except few that I will not use anymore (kit lens, etc). There seems to be little information with high price tag compared to all other manufacturers..

How can we justify Sony T* lenses compared those good ones in the review?
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bharnois View Drop Down
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Post Options Post Options   Quote bharnois Quote  Post ReplyReply Direct Link To This Post Posted: 02 June 2009 at 15:30
I just replaced the Quantaray QMC on my 70-200 with a Hoya HMC Super UV(0). You sure as heck can see the difference when holding the two side by side. Much less light is reflected by the Hoya. This Hoya is supposed to have 99.7% transmission, the highest I've seen.

I don't care if my other glass has filters or not but I want something on my 'baby'.

FWIW: The HOYA packaging clearly states that they are made by Tokina.
Just luvin' DYXUM.
 



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AsuAmo View Drop Down
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Post Options Post Options   Quote AsuAmo Quote  Post ReplyReply Direct Link To This Post Posted: 02 June 2009 at 21:47
If we use UV filter only to protect lens' front element why should we care if 90 or 99% of light passed through?
α65/700|∑10-20|S16-50|M35-105|∑50-150|M100-200|T200-400
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brororn View Drop Down
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Post Options Post Options   Quote brororn Quote  Post ReplyReply Direct Link To This Post Posted: 02 June 2009 at 21:50
Originally posted by alpha700 alpha700 wrote:

Just found this review, 20 uv filters on another forum see what you think.

http://www.lenstip.com/113.1-article-UV_filters_test.html



I may have undestood this wrong, but from some other source I have read that modern sensors are not sensitive to UV as old time film is. I suppose that is why there are specifically UV sensitive CCD digital cameras available -not sure if CMOS is different. So UV filter is in practice more or less useless and clear protective filter does the same thing - if it is of good optical quality otherwise.

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travelshots View Drop Down
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Post Options Post Options   Quote travelshots Quote  Post ReplyReply Direct Link To This Post Posted: 17 June 2009 at 20:57
I cite my postin in another Dyxum thread:
http://www.dyxum.com/dforum/best-filter-for-lens-protection_topic47835.html

It is important to read that test carefully. Lens mounted UV-Filters are usually not required for digital cameras. They are mostly used just as front lens protection.

Hence, the UV suppression perfomance that was mentioned to be the most important criteria in this test, is of no importance in that case. Subsequently, the given overall ranking is meaningless for this application.

If you look at the transmission curves for visible light, where not just the total transmission but also the equability over the frequency range is important, you will see that all filters are more or less acceptable.

The main and very important differences turn out in the flare test. Unwanted flares can easily ruin your photo. A filter that is not perfect in this property is not feasible as an allround filter.

Considering this, the B&W MRC coated filter is the best in test follwoed by the Kenko pro (which has a significantly higher vignetting than the B&W) and the Hoya UV 0 (only these Hoya series).

It should be mentioned that other, but untested optical properties are important too.
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AdrianGail View Drop Down
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Post Options Post Options   Quote AdrianGail Quote  Post ReplyReply Direct Link To This Post Posted: 08 August 2013 at 15:12
Interestingly I found this on another webiste:


From my understanding, the company is THK (Tokina, Hoya, Kenko). In Japan, Hoya is marketed as Kenko filters and distributed globally as Hoya. I am also including a link to help answer the OPs question and have also included the reply directly from the parent company THK. Hope this helps.

http://www.cameralabs.com/forum/viewtopic.php?t=12903 (need to read the last post of this thread)

"Same company, same quality. The difference is that in Japan, Hoya filters are ONLY sold under the Kenko brand name, while elsewhere in the world, Hoya is the name everyone sees.

While some companies here in the US sell Kenko filters, they are identical to Hoya."

Glenn Nash
Technical Service Representative
THK Photo Products



Might be worth saving myself a fiver and going Kenko!


Edited by AdrianGail - 08 August 2013 at 15:15
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macronut View Drop Down
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Post Options Post Options   Quote macronut Quote  Post ReplyReply Direct Link To This Post Posted: 11 August 2013 at 09:43
great link!!!!!!!!!   very interesting read. the staff might want to consider making this thread a sticky for awhile
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Saber View Drop Down
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Post Options Post Options   Quote Saber Quote  Post ReplyReply Direct Link To This Post Posted: 29 December 2013 at 00:43
Interesting information for sure. I've been using B+W filters since 2008 with good results. However, I will agree that for every plus there's a need for minus. I like the the B+W construction and the nano coat for cleaning, but like any filter there is a trade-off. Even my 007 B+W will cast a bit of orange or brown under certain yellow artificial light. My advice is to remove your filters for indoor shots.
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goldencode View Drop Down
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Post Options Post Options   Quote goldencode Quote  Post ReplyReply Direct Link To This Post Posted: 29 December 2013 at 00:49
I've been happy with UV filters from B&W, Marumi and Hoya for front element protection. Just stay away from the super cheap ones.
a700 (2),   400G, 200G, 100 Macro, 50 1.7,   55-200, 35-105, Tam 24-135, Sig 10-20

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minolta mad View Drop Down
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Post Options Post Options   Quote minolta mad Quote  Post ReplyReply Direct Link To This Post Posted: 15 January 2014 at 20:53
Yes great link and very intersting reading
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