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02-01-2010, 03:53 PM   #1
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WR Lenses- just how weather resistant are they?

Hi, Just wondering just how weather resistant the new WR lens's are?

Looking to get a Pentax DA 18-55mm F3.5-5.6 AL WR to try out.

Would it be safe to use it in the rain for example?

.-.-.

02-01-2010, 04:08 PM   #2
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I've used mine in the rain, even massive downpours. I've half-buried my camera in snow. I've used it near crashing waves. It's all very weather-resistant.

Some fools have put theirs under the faucet, or in the shower. For the most part, there have been very few ill incidents. But I think a good rule of thumb is to avoid pressurized water jets. It's weather resistant, not weather-proof. Complete submersion is probably also not a good idea.
02-02-2010, 06:29 AM   #3
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I don't worry at all about rain with my 55mm and 60-250mm lenses. Pentax says they are weather resistant, so if they aren't, they will have a warranty repair on their hands.
02-02-2010, 07:36 AM   #4
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I use my DA* lenses in the rain all the time and my 70-135 has had a full glass of champagne poured into the upturned lens hood - ran it under tap - no ill effects at all.

Also very useful in music clubs - shooting Reef before Christmas and my mate's 50D fogged up the instant we got our cameras out, my K7 didn't.

02-02-2010, 09:23 AM   #5
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I think they will stand a lot of weather. Certainly submerging them will break the seals quickly. Both of my DA * lenses have taken down pours that eventually sent me inside.
02-02-2010, 11:36 AM   #6
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DA* vs DA WR Lens weather proofing?

OK, Thanks guys. All very interesting.

But I see a few here referring to DA* lens's.

The DA* are a very expensive lens range. Surly their weatherproofing is far superior to the DA WR lens's?

Or are they the same?

.-.-.
02-02-2010, 12:01 PM   #7
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The DA* lenses are superior in optics and have SDM focusing, among other things. Their weather resistance is supposedly better too, mostly because they have internal focusing so there's no extension of the lens on zooming/focusing (and therefore no air gets sucked into the lens as it gets longer). I understand the WR kit lenses (18-55mm WR and 50-200mm WR) have "simple" weather sealing, but all the examples I gave above about what I subject my lens to has been done to my 18-55mm WR kit lens. I think Pentax did a fine job of weather-sealing the kit lenses.

edit: the DA* 55mm doesn't appeat to have internal focusing, so I guess that one does suck in air as it extends to focus.
02-02-2010, 12:12 PM   #8
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QuoteOriginally posted by GoremanX Quote
and therefore no air gets sucked into the lens as it gets longer
But air still gets sucked in when the lens is zoomed.

02-02-2010, 12:28 PM   #9
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TNX,

Hum. Well. I guess the big question is then.

Where does it suck from?

.-.-.
02-02-2010, 12:42 PM   #10
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QuoteOriginally posted by pasipasi Quote
But air still gets sucked in when the lens is zoomed.
No it doesn't, it's internal focus and internal zooming. My DA* 50-135mm does not get any longer or shorter, it's a fixed length. Almost all DA* lenses are this way except the 55mm.
02-02-2010, 01:36 PM   #11
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QuoteOriginally posted by GoremanX Quote
No it doesn't, it's internal focus and internal zooming. My DA* 50-135mm does not get any longer or shorter, it's a fixed length. Almost all DA* lenses are this way except the 55mm.
Don't the DA* 16-50 and 60-250 extend when zooming?
02-02-2010, 02:24 PM   #12
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My WR kit has been exposed to a real Quebec snowstorm, and came out blazing and shooting :P I believe as long as there's no pressure applied the lenses will be ok (pressure meaning : being UNDER water)
02-02-2010, 02:27 PM   #13
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QuoteOriginally posted by GoremanX Quote
edit: the DA* 55mm doesn't appeat to have internal focusing, so I guess that one does suck in air as it extends to focus.
It becomes "internal" focusing if you put a filter on it. Canon considers their new 50 f/1.2 fully weather sealed once you put a filter on it. (In the modern fast fifties, the ring with the filter thread does not move as you focus.)

Last edited by asdf; 02-02-2010 at 02:34 PM.
02-02-2010, 02:27 PM   #14
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QuoteOriginally posted by darrenleow Quote
Don't the DA* 16-50 and 60-250 extend when zooming?
oops, the 16-50mm does. Don't know about the 60-250.
02-02-2010, 02:27 PM   #15
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No problems here. Had 18-55WR out in rain and snow with no problems at all.

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