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Thread: Conflicting Infos on CZ and G lenses

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    Subscriber Member Georg Baumann's Avatar
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    Conflicting Infos on CZ and G lenses

    May be someone can clarify that.

    Reading on photozone about some lenses: http://www.photozone.de/sony-alpha-aps-c-lens-tests

    the chap mentions for CZ and Sony lenses that they are NOT sealed at all. My dealer mentioned them to be sealed, in my case the 24-70 and 70-400, but it would not be mentioned explicitly.

    I really ponder about that. If they should not be dust and splashwater sealed, what would be the point having a sealed body if you can not walk around in rain with it?

    So what is your knowledge on that matter? Thanks!

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    Re: Conflicting Infos on CZ and G lenses

    I can't imagine how the 24-70 could be considered to be sealed as it extends when zoomed.

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    Subscriber Member Georg Baumann's Avatar
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    Re: Conflicting Infos on CZ and G lenses

    Technically this is no problem. My Zuiko Digital 50-200 f2.8 extends the same way and you can clean it under the running tap, no problem! Did that often enough.

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    Re: Conflicting Infos on CZ and G lenses

    Quote Originally Posted by TEBnewyork View Post
    I can't imagine how the 24-70 could be considered to be sealed as it extends when zoomed.
    Terry, the Canon 24-70 is also a zoom with external movement when zoomed, but is considered to be "weather-sealed" when attached to an appropriate body and sporting a filter on the front. Of course, this isn't water-proof, but simply sealed from dust and water spray, etc.

    I don't know how or if this applies to the discussion vis-a-vis Sony's lens, but I thought I'd through it in as a data point.

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    Re: Conflicting Infos on CZ and G lenses

    Strangely Sony does not advertize any lens as being weather sealed. However, there was a report a while ago from a photographer who shot Paris-Dakkar with an A900 and 24-70 and it seems the camera/lens combination withstood all the abuse of dust and rain.
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    Re: Conflicting Infos on CZ and G lenses

    Good to know, I was under the wrong impression on lenses that extended.

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    Subscriber Member Georg Baumann's Avatar
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    Re: Conflicting Infos on CZ and G lenses

    Heck, I have contacts to management of Epson, HP, Olympus, Nikon, Canon, Sinar, Phase One, and Leica, but not Sony .... I would love a statement from them on that.

    Must make some phone calls next week.
    Last edited by Georg Baumann; 31st May 2009 at 23:27.

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    Senior Member edwardkaraa's Avatar
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    Re: Conflicting Infos on CZ and G lenses

    Also it is interesting to note that sealed Canon lenses have visible rubber seals on the mount side, none of my Sony lenses have these. They may very well be water and dust resistant to a certain extent, but I don't think up to the level of Canon's L glass.

    I personally do not care about weather sealing. Rubber seals tend to dry with time and leave marks and debris. Any situation that requires weather sealing is no good for me photographically speaking. If I was a sports photographer or a photojournalist, I'm sure I would have appreciated it though.
    Last edited by edwardkaraa; 1st June 2009 at 00:05.
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    Re: Conflicting Infos on CZ and G lenses

    Agreed, Edward. The rubber seal at the mount is meaningful. We can get away with a lot if we use some common sense, but the Paris-Dakkar or Burning Man are pretty harsh tests for digital kits. I wish that the makers would give us weather-sealing (of a Series 1 or better class) on the more compact bodies which sell in the $3K U.S. range. Some of use want smallish bodies and weather sealing. Charge an extra $500 if needed, for an "AW" option – and give us the seals on the lenses to complete the package.

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    Re: Conflicting Infos on CZ and G lenses

    I would put the weatherproofing of the A900 against the 1D series. Lens sealing is the bigger issue,IMO.

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    Subscriber Member Georg Baumann's Avatar
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    Re: Conflicting Infos on CZ and G lenses

    I don;t remember the name of product/company, but if memory serves, there was something where you could completly seal your lenses.

    Hmmm.... or may be I mix that up with body armor....

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    Re: Conflicting Infos on CZ and G lenses

    Quote Originally Posted by Georg Baumann View Post
    I don;t remember the name of product/company, but if memory serves, there was something where you could completly seal your lenses.
    Zip-Loc has a nice product for that. Or do you mean with the front remaining open?

    Seriously, it is a bit odd that Sony doesn't make this info easier to come by. After seeing shots like this I cannot believe that the 24-70 is not sealed, so why do they make it so hard to find?




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    Senior Member Eoin's Avatar
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    Re: Conflicting Infos on CZ and G lenses

    I've always understood the lenses are not weather sealed, but as others have mentioned about the photographer shooting the Paris Dakkar rally with the a900 and some Sony/Zeiss lenses in some pretty rough conditions with out (at this time) problems.

    It gives me confidence in the durability of the equipment should I find myself caught out, but I would not be bravado and think it could resist everything.

    link for Paris Dakkar article herehttp://translate.google.com/translat...%26rls%3Den-us
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    Re: Conflicting Infos on CZ and G lenses

    There is a proper English translation here:

    http://www.swiatobrazu.pl/sony_dslr_...r_rally.html,5
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    Subscriber Member Georg Baumann's Avatar
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    Re: Conflicting Infos on CZ and G lenses

    OK. I spoke with Michael Reichmann, to the best of his knowledge, none are sealed!

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    Subscriber Member Georg Baumann's Avatar
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    Re: Conflicting Infos on CZ and G lenses

    .... I find the whole subject very interesting and i try to get an interview with Zeiss in Germany this week.

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