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05-06-2011, 12:42 PM   #1
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Which UV filter for the DA15?

I've searched but can't find any threads about this.

DA15 owners, do you use a UV filter? Which ones work well? And don't cause vignetting? Thanks.

05-06-2011, 12:50 PM   #2
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The 15 is one lens that I wouldn't ever use a filter on. I don't use UV's on anything, but have clear protectors on a few. The 15's front element is so small and reasonably well-protected by it's hood that I just don't think it's worth putting an extra piece of glass in front of it. It may only negate the lens' famous resistance to flare. And one of the big pluses about the 15 is that it renders like it's got a built-in polarizer, so I've never used one of those on it, either. Not to mention that polarizers are hard to use on wide lenses.
05-06-2011, 01:21 PM   #3
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Helpful feedback. My local camera shop suggested it was a lens not suited to putting a filter on.
05-06-2011, 01:33 PM   #4
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It takes regular filters fine. The special Cokin filter system doesn't work, I guess, because of the hood, but no issue with regular screw in filters. Polarizers are often said to not be a good idea with *any* very wide angle lens, because they take in such a wide area that you're basically getting light from several directions at once, so skies will tend not to look as uniform as you might like - or something like that. But there is nothing special about the DA15 in that regard as compared to any other lens of similar focal length.

As for UV "camera-store-profit-margin protection / image degradation" filters, those are exactly as useful, useless, or downright hamrful as they are on any other lens; feel free to search for any of the zillions of other debates on that subject.

05-06-2011, 01:53 PM   #5
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Given one of the strengths of the lens is flare resistance, why undermine that with a filter?
05-06-2011, 10:03 PM   #6
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QuoteOriginally posted by Marc Sabatella Quote
Polarizers are often said to not be a good idea with *any* very wide angle lens, because they take in such a wide area that you're basically getting light from several directions at once, so skies will tend not to look as uniform as you might like - or something like that.

You're referring to uneven polarisation in skies aren't you?...I am not really bothered by that effect, what annoys me is when people only use their polarisers at full effect all the time. But on my DA15 f/4 limited, I use filters on it from time to time...I have actually been having some fun with a modified Cokin blue/gold polariser - a specialised polariser that can produce some retina-peeling results if it is misused.
05-06-2011, 11:15 PM   #7
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The 49mm Hoya multicoated uv filter works just fine, no vignetting.
05-07-2011, 09:32 AM   #8
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QuoteOriginally posted by Clinton Quote
The 49mm Hoya multicoated uv filter works just fine, no vignetting.
Thank you for your straight answer.

05-07-2011, 09:57 AM   #9
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you wouldn't use a filter with this lens, its too wide for a polarizer and there is no need for a uv ever imo.
05-07-2011, 11:27 AM   #10
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QuoteOriginally posted by Clinton Quote
The 49mm Hoya multicoated uv filter works just fine, no vignetting.
To add to this, with a std filter screwed on, you can then attach a Cokin adaptor and use ND grads etc. Easy!
05-07-2011, 07:02 PM   #11
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QuoteOriginally posted by WerTicus Quote
its too wide for a polarizer
no it isn't, polarisers can be used but be mindful that they can cause flare.
05-07-2011, 08:49 PM   #12
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QuoteOriginally posted by WerTicus Quote
you wouldn't use a filter with this lens, its too wide for a polarizer and there is no need for a uv ever imo.
If you like. I think mine took a poke from a pine-tree on a hike that probably wouldn't have damaged the lens, but might have.

It's not the first UV filter I've had take one for the team, and hence, they're on all my lenses.
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