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Forums > Back > preview: Olympus M.Zuiko 9-18mm f/4-5.6 ED
Klaus
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#11
06-13-2010, 01:51 PM
Yep, I just did a check via RawTherapee:

Pana 7-14mm @ 7mm: 5.2%

Oly 9-18mm @ 9mm: 4.8%
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Klaus
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#12
06-13-2010, 02:22 PM
That's also quite interesting, isn't it ...
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mst
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#13
06-13-2010, 06:05 PM
[quote name='Klaus' date='13 June 2010 - 03:22 PM' timestamp='1276438963' post='473']

That's also quite interesting, isn't it ...

[/quote]



So, in use, the Oly isn't actually that much smaller? Or at least not shorter?



-- Markus



P.S.: Probably should have cleaned my girl <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/wink.gif' class='bbc_emoticon' alt='Sad' />
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#14
06-13-2010, 06:09 PM
Perhaps not but in the bag/storage it is <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/smile.gif' class='bbc_emoticon' alt='Smile' />



Question does that additional extension suggest over time it will need calibration ?





[quote name='mst' date='13 June 2010 - 07:05 PM' timestamp='1276452348' post='474']

So, in use, the Oly isn't actually that much smaller? Or at least not shorter?



-- Markus



P.S.: Probably should have cleaned my girl <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/wink.gif' class='bbc_emoticon' alt='Sad' />

[/quote]
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Klaus
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#15
06-13-2010, 07:09 PM
[quote name='you2' date='13 June 2010 - 08:09 PM' timestamp='1276452565' post='475']

Perhaps not but in the bag/storage it is <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/smile.gif' class='bbc_emoticon' alt='Sad' />



Question does that additional extension suggest over time it will need calibration ?







[/quote]





Well, it's more sturdy than the Oly 14-42 Kit zoom. However, yes, long term durability may be an issue.

On the contrary the lens tube is so exceedingly light weight that the wear-out effects are probably lower.
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Klaus
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#16
06-13-2010, 07:12 PM
It's difficult to clean it. Dry cleaning seems hopeless.
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mst
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#17
06-13-2010, 09:31 PM
Yes, that Panasonic rubber seems to feature a higher than usual dust gravity. It's the same on the other lenses here.



No wet cleaning please <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/ohmy.gif' class='bbc_emoticon' alt='Sad' />



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Sylvain
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#18
06-14-2010, 12:21 AM
And another "feature" shared by both of my Panasonic lenses (20 & 14-45, dunno if the 7-14 is affected): focusing ring resistance varies a lot with ambiant temperature. It's perfectly normal up to some point but here it is frankly a little dubious. Veeeery stiff in winter conditions (0-5°c) and very loose above 25°c. Never had any of this with say USM & EF-S lenses. Not really an issue as they're not mechanically linked but still a bit of a downer on these otherwise decently build lenses.



[quote name='mst' date='13 June 2010 - 10:31 PM' timestamp='1276464667' post='478']

Yes, that Panasonic rubber seems to feature a higher than usual dust gravity. It's the same on the other lenses here.



No wet cleaning please <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/ohmy.gif' class='bbc_emoticon' alt='Sad' />



-- Markus

[/quote]
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joachim
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#19
06-14-2010, 05:27 PM
[quote name='Sylvain' date='11 June 2010 - 11:23 PM' timestamp='1276295017' post='444']

<img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/smile.gif' class='bbc_emoticon' alt='Smile' /> that's my girl!

[/quote]



Sylvain,



Never thought of a lens as female! To me they were always neutral <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/cool.gif' class='bbc_emoticon' alt='Smile' />



Though I am still lost on context. Did you borrow your sample to Klaus? That is very kind of you <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/smile.gif' class='bbc_emoticon' alt='Smile' /> Though if I had it new, I couldn't part with it for that long as shipping and testing requires <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/ohmy.gif' class='bbc_emoticon' alt='Sad' /> At least for as long as the lense wouldn't have become old and the hype moved to something else.



J.
enjoy
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Klaus
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#20
06-14-2010, 05:46 PM
[quote name='joachim' date='14 June 2010 - 07:27 PM' timestamp='1276536460' post='507']

Sylvain,



Never thought of a lens as female! To me they were always neutral <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/cool.gif' class='bbc_emoticon' alt='Smile' />



Though I am still lost on context. Did you borrow your sample to Klaus? That is very kind of you <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/smile.gif' class='bbc_emoticon' alt='Smile' /> Though if I had it new, I couldn't part with it for that long as shipping and testing requires <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/ohmy.gif' class='bbc_emoticon' alt='Sad' /> At least for as long as the lense wouldn't have become old and the hype moved to something else.



J.

[/quote]



What's so bad about a centering check ? :-)
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