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03-26-2009, 08:16 PM   #1
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choosing a filter for DA 12-24mm

I will be the happy owner of a DA 12-24 mm lens soon but I would like to buy a filter to protect the front element. From what I have read the front element is slightly bulbous so I was wondering how "bulbous" is it and how do I choose a filter to match it so it doesn't damage the front. TIA.

03-26-2009, 08:33 PM   #2
jeffkpotter
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It's not too bulbous at all. At least to me. I bought a Hoya HMC super multicoated UV filter, but I only use it now in extreme weather conditions. Like a windy day at the beach, etc. Actually I find that filters on extreme wide angles can degrade the quality so I leave it off most of the time. Why add an extra piece of glass to a lens that already has 13 carefully designed elements in 11 groups. Others may disagree. The huge lens shade is pretty good protection in itself.
03-26-2009, 09:15 PM   #3
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As long as the glass doesn't protrude BEHIND the base of the threads on the filter ring you'll be fine. There aren't any plain filters I know of that do (although I can imagine that a close-up lens with a strong diopter rating could).
03-27-2009, 01:14 AM   #4
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Congratulations on the new lens. I just purchased a 12-24mm myself. Prodigital threw in a Cokin UV filter with the lens and it went on immediately. Seems nice enough. I'm not very concerned about degrading the optics. Compared to my primes, the front element seemed rather large and not nearly as recessed. Also, I've a four-year old with an uncanny ability to touch things in exactly the worst way possible - always the front element or eyepiece, never the lens barrel or camera body.

03-27-2009, 01:36 AM   #5
WRB
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expensive but

i use a digital slim filter.
03-27-2009, 01:39 AM   #6
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I am using a HAMA HR UV filter on my 12-24 and it works just fine. I leave it on at all times.
03-27-2009, 03:26 AM   #7
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Hoya UV pro1 S-Hmc (black label). it is slim.
03-27-2009, 04:50 AM   #8
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I have a Sigma EX 77mm UV filter on mine, and I haven't noticed any extreme vignetting.

03-27-2009, 05:56 AM   #9
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thank you for all the helpful suggestions. it sounds like almost any 77 mm should be fine
03-27-2009, 05:36 PM   #10
jeffkpotter
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QuoteOriginally posted by weaponx525 Quote
thank you for all the helpful suggestions. it sounds like almost any 77 mm should be fine
Not all filters are created equal.
03-27-2009, 06:01 PM   #11
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jeff your probably right. I'll probably stick with a brand name like Hoya or B&W.
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