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PostPosted: Fri Dec 29, 2006 9:10 pm 
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Hi Gordon,

in your verdict about this lens I missed the Sigma 10-20 for either Canon or Nikon (and others) as a close and much cheaper equivalent to the Zuiko on an Olympus. Any reason for this omission?

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PostPosted: Sat Dec 30, 2006 9:26 am 
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Hi Thomas, I simply hadn't tested either of those lenses! I'm planning on testing them in the near future though...

Gordon


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PostPosted: Sat Sep 22, 2007 3:02 pm 
Gordon, can you explain how one would place a filter on this lens?


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PostPosted: Sat Sep 22, 2007 4:28 pm 
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Sorry, no filters for this lens!

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PostPosted: Sat Sep 22, 2007 11:05 pm 
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Thomas is right - on some lenses like this, there's a 'drop-in' filter option at the back of the lens, but as far as I understand, this is not possible on the 7-14mm.


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PostPosted: Mon Sep 24, 2007 8:26 pm 
if there's no filter option, then how would you be able to polarize a landscape then (or any other effect)? I've seen some great shots in the past from the Sigma 10-20 (not available in four-thirds though :( ) where a polarizing filter was used, and created some great effects. Can you only do the effects through post-processing?


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PostPosted: Mon Sep 24, 2007 9:08 pm 
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Nope, you cannot simulate a polarizer through post-processing. :(

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PostPosted: Tue Oct 02, 2007 8:09 pm 
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cderaaf wrote:
if there's no filter option, then how would you be able to polarize a landscape then (or any other effect)? I've seen some great shots in the past from the Sigma 10-20 (not available in four-thirds though :( )

It is available:
http://www.kamera-express.nl/index.php? ... duct=17206

Hans


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PostPosted: Tue Oct 02, 2007 8:27 pm 
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Hmmm Hans, I don't get it: Your link shows a Sigma 10-20mm but no information on filters for the Oly 7-14mm which - as I understood - was the question cderaaf posted :?

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PostPosted: Thu Oct 04, 2007 9:13 pm 
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From what I understand from the reply, his statement is that the Sigma 10-20 mm is not available for 4/3.
I was reacting on that, not on the availability of filters for the 7-14 mm lens.


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PostPosted: Mon Oct 29, 2007 3:08 pm 
so does anyone have an idea how you would filter this lens? I've heard that photographing the sky at 90 degrees from the sun will darken the blues. What does this mean?


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PostPosted: Mon Oct 29, 2007 3:14 pm 
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Very interesting. How come that the Sigma 10-20 (in Four Thirds mount) isn't mentioned on the Sigma website? (http://www.sigmaphoto.com/lenses/lenses_chart.asp)

Is it only available outside of North America? I would love this lens as a "cheaper" alternative to the Zuiko 7-14 or the 11-22. How would I get my hands on this lens for my E-500?


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PostPosted: Mon Oct 29, 2007 7:09 pm 
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Hmmm, you're right: No Sigma 10-20mm on four-thirds in Germany/Austria either :cry:

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PostPosted: Thu Nov 01, 2007 7:10 am 
cderaaf wrote:
so does anyone have an idea how you would filter this lens?...


I believe Cokin might have the solution. It consists of a hotshoe attachment:

http://www.cokin.com/shoeholder.html

A.


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