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awa54 View Drop Down
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Post Options Post Options   Quote awa54 Quote  Post ReplyReply Direct Link To This Post Posted: 16 February 2014 at 17:52
Originally posted by travelshots travelshots wrote:

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.




As travelshots says, the biggest issues for us digital users are light transmission, flatness of the pass-band and flare resistance.

So if you were using these filters with film the ranking would be relevant, but for digital the pass-band light transmission is far more important than the UV suppression... although a stop-band hinge point that impedes on the visible spectrum is a detriment here, so filters with a crisp roll-off that starts as close to the bottom of the visible spectrum as possible are most desirable: http://www.hoyafilter.com/hoya/products/generalfilters/uv0/ note the Hoya UV(C) which starts to roll at a lower wavelength than the other filters, this one is undoubtedly a "for Digital" filter.

Now for a thread hijack; have any of you noticed different color rendition or white balance response when you switch from skylight (slight warming) filters to straight up UV cut or clear protective filters?

I just made a complete conversion from HMC SKY 1(B) filters to HMC UV(C), but haven't been out shooting since the change over. I am hoping that the approximately 1/3 stop light transmission gain in the visible spectrum will be the only change (and a positive one!).

So don't regret the Kenko or Heliopan UV filter purchases, unless you still shoot film that is ;)
a900, a700 and plenty of glass ;)
 



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awa54 View Drop Down
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Post Options Post Options   Quote awa54 Quote  Post ReplyReply Direct Link To This Post Posted: 16 February 2014 at 18:11
Originally posted by AsuAmo AsuAmo wrote:

If we use UV filter only to protect lens' front element why should we care if 90 or 99% of light passed through?


Don't you want the extra 9% light to reach your sensor/film?

having a filter with low light transmission is like using a neutral density filter, except that most of the lousy UV filters are also un-coated, which adds to flare susceptibility... a double whammy :P

a900, a700 and plenty of glass ;)
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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: 16 February 2014 at 18:40
I've been using B+W 007 Nano's on both my ZA 135 and my new ZA 50, and before that my Leica primes (wish like hell I never sold them). I haven't noticed any issues so maybe I'm just not realizing the potential that going without a filter may offer. However, given the price of these damn lenses I refuse to go without frontal protection. On the streets of Italy people bump into you all the time so the chances of your front element getting whacked is pretty high. Anyway, I'm willing to lose a little bit of light transmission, if for nothing else, peace of mind.

Now, if somebody knows of a better filter that provides the same quality of Nano coat that offers less light blocking properties then I'm all ears.

Edited by Saber - 16 February 2014 at 18:48
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addy landzaat View Drop Down
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Post Options Post Options   Quote addy landzaat Quote  Post ReplyReply Direct Link To This Post Posted: 16 February 2014 at 18:48
Wow, this thread is almost five years old.....

Anyway, if on the streets of Italy people bump into you all the time so the chances of your front element getting whacked is pretty high, you should use your lenshood, not a filter
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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: 16 February 2014 at 18:54
Andy,
Since I love the Dutch people (used to live/work there) I will try not to be rude, but it's hard to shoot through my lens cover. Yes, I know I can always take it off, but I typically lose a lot of shots or run a higher risk when I reach down to the ground to pick up the cap when I drop it (happens a lot with me).

Being a European, you know that in public people are up closer and more personal than they are in the west, so seldom will anyone yield to allow you to stop for even one second!

Edited by Saber - 16 February 2014 at 19:10
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Post Options Post Options   Quote p-unit Quote  Post ReplyReply Direct Link To This Post Posted: 30 March 2014 at 19:18
Originally posted by addy landzaat addy landzaat wrote:

Wow, this thread is almost five years old.....

Anyway, if on the streets of Italy people bump into you all the time so the chances of your front element getting whacked is pretty high, you should use your lenshood, not a filter


Thanks for this tip! I'm heading to Italy soon and hadn't even thought about that fact! Lens hood it is!
 



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CuriousOne View Drop Down
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Post Options Post Options   Quote CuriousOne Quote  Post ReplyReply Direct Link To This Post Posted: 30 October 2014 at 08:32
Recently bought from ebay this FOTGA (It was listed and pictured as NEEWER, but identical FOTGA arrived) filter:

http://www.ebay.com/itm/191303585220?_trksid=p2059210.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT

Below is the photo without the filter:



And here's photo with filter:



Filter was checked, cleaned and so on. But it is initially not transparent enough - difference can be seen by bare eye, looking through it. My ancient Soligor 77mm UV filter delivers much better results!

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Post Options Post Options   Quote lonewolf Quote  Post ReplyReply Direct Link To This Post Posted: 04 February 2015 at 15:28
so Hoya HMC UV would be fine for just protection/ease of cleaning?

Are there fakes of these online?
Hard to judge but will go for an ebay seller with good rating and average price
a7rii+A6000 | Tamron 70-300 USD,24-70 USD 90mm macro | Sigma 35mm ART, Sony28/55/ 85mm| Plus lots of Nikon stuff

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Post Options Post Options   Quote Miranda F Quote  Post ReplyReply Direct Link To This Post Posted: 29 September 2015 at 19:49
Originally posted by CuriousOne CuriousOne wrote:

Filter was checked, cleaned and so on. But it is initially not transparent enough - difference can be seen by bare eye, looking through it. My ancient Soligor 77mm UV filter delivers much better results!



At the risk of stating the obvious, adding a UV filter gives you two more air-glass interfaces without any appreciable optical benefit (and clearly isn't a good choice for this kind of scene anyway). Not something I'd do unless the filter served some important function (ND, CPL, or protection against sandstorms), and even then it would need to have the best multi-coatings for use in bright conditions. I mainly use ND/CPL when there *aren't* many flare sources in view.

And on another point, so-called sky filters (1B) came into fashion while I was taking slide pictures and I hated them. They turned the skies pink.
Miranda F & Sensorex, Sony A58, Nex-6, Dynax 4, 5, 60, 500si/600si/700si/800si, various Sony & Minolta lenses, several Tamrons, lots of MF primes and *far* too many old film cameras . . .
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Post Options Post Options   Quote Eclipse Quote  Post ReplyReply Direct Link To This Post Posted: 31 October 2016 at 20:50
Just picked up on this thread when about to start one with this query:
I have just taken the plunge (gulp) and got a 70-400Gii.
Now I understand this lens has some very fancy new Nano AR lens coatings.

Due to the conditions I shoot in a protective filter is an absolute requirement*. In film days I used skylights, on digital I have gone over to UV filters (I use Heliopan UV-0 SH-PMCs).
Can anyone help me re what type of filter might be best for this particular lens?

*e.g. on one occasion, when using a new filter for first time it got a nice little chip in it from grit thrown up by horse's hooves - just glad it wasn't the lens.
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Post Options Post Options   Quote addy landzaat Quote  Post ReplyReply Direct Link To This Post Posted: 31 October 2016 at 20:59
Why UV? There was some use for it in the film era with uncoated lenses, but these days there is no need for UV filters. I would use clear (protective) filters.

Any good make of filter will suffice, heliopans are among those.
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Post Options Post Options   Quote Eclipse Quote  Post ReplyReply Direct Link To This Post Posted: 31 October 2016 at 21:11
I suppose I'm just used to using them and assumed they were the right thing...I will look into clear ones, thank you for the suggestion.

Edit- I use heliopans because I like the brass rings, and them having threads both sides. The brass means they don't bind like the aluminium ones, which matters to me as I don't take them off much - only if I have to put a polariser on. Aluminium ones seem to bind badly if on for a long time....

Edited by Eclipse - 31 October 2016 at 21:14
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stiuskr View Drop Down
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Post Options Post Options   Quote stiuskr Quote  Post ReplyReply Direct Link To This Post Posted: 31 October 2016 at 21:15
I'd get the Sony, if it's anything like their c-pol's it'll be Schott glass and comes in a really nice clam shell case.

http://www.adorama.com/isovf77mp.html

Edited by stiuskr - 31 October 2016 at 21:18
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Post Options Post Options   Quote whiteheat Quote  Post ReplyReply Direct Link To This Post Posted: 31 October 2016 at 22:30
Originally posted by Eclipse Eclipse wrote:


Can anyone help me re what type of filter might be best for this particular lens?


Well, a quick search yielded these. Caution, the last two links are to "pro" grade filter reviews (and therefore wallet draining $$$ should you be tempted), which if you are susceptible to GAS, could be dangerous to you. Though how much value they actually represent is open to serious question:

http://www.the-digital-picture.com/reviews/filter-reviews.aspx

http://thewirecutter.com/reviews/best-camera-lens-filters-flashes-and-accessories-for-taking-great-photos/

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

http://bestgr9.com/list-top-10-best-camera-uv-filter-in-2015-reviews/

http://the-gadgeteer.com/2014/11/19/breakthrough-photography-x1-x2-and-x3-uv-filters-review/

http://digital-photography-school.com/review-vu-professional-filter-system/
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