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Standard zoom and mid range Lenses with focal lengths larger than 12mm, but no longer than 60mm, includes standard zooms and portrait primes plus some macro lenses.

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  #16  
Old 13th September 2013
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Re: Got the 12-40 at last!

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Originally Posted by Pierre L View Post
... or an opportunity to see how the E-M1 handles the 12-60mm SWD?
I'm too are interested in a direct comparison.

Here is Mings Thein's take on the new glass

http://blog.mingthein.com/2013/09/13...-40/#more-6944

Be aware about the weird behavior regarding aperture.
Or did I just miss this at the 12-60 ?
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  #17  
Old 13th September 2013
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Re: Got the 12-40 at last!

I ordered the 12-40 after reading the Olympus claim that it was superior to the 12-60. Can't wait to get my hands on it, and the future pro lenses too.
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  #18  
Old 13th September 2013
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Re: Got the 12-40 at last!

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Originally Posted by bredman View Post
I ordered the 12-40 after reading the Olympus claim that it was superior to the 12-60. Can't wait to get my hands on it, and the future pro lenses too.
Yes, the mtf charts give the 12-40 the edge on paper.

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  #19  
Old 13th September 2013
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Re: Got the 12-40 at last!

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Yes, the mtf charts give the 12-40 the edge on paper.
mhhh... but not at the long end end and off centre, as I see it.
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Old 14th September 2013
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Re: Got the 12-40 at last!

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Originally Posted by Ian View Post
Yes, the mtf charts give the 12-40 the edge on paper.
mhhh .... If you have a chance to do so, would you please also check out the issue highlighted by Ming Thein in his review that comes up at the short end when stopping down ?

As he pointed out, the off center resolution there drops significantly.
No good for landscape photograpy, I'm afraid.
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Old 14th September 2013
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Re: Got the 12-40 at last!

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Originally Posted by Ian View Post
How were you viewing the RAW files because corrections are applied automatically in many RAW converters as standard.

Ian
Hi Ian.
Yes, I can't remember exactly what I was using just then, but I normally use Capture One as a raw converter and for orfs run them through PTLens' 12-35 module. I very much enjoy C1, which I've been using for years, and don't mind this minor extra hassle.
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Old 14th September 2013
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Re: Got the 12-40 at last!

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Originally Posted by mige0 View Post
No good for landscape photograpy, I'm afraid.
I certainly haven't used this lens for more than a few minutes indoors, but surely in real life that's going a bit far!

The same could be said about the 'odd double bokeh' criticism he makes of the panny 12-35. I agree that lens doesn't have the greatest bokeh in the known universe, but if I want real subject isolation and superb bokeh I use a wider prime, anyway.

If we took all possible parameters of criticism against all lenses we'd never buy anything!
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  #23  
Old 14th September 2013
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Re: Got the 12-40 at last!

Quote:
Originally Posted by mige0 View Post
mhhh .... If you have a chance to do so, would you please also check out the issue highlighted by Ming Thein in his review that comes up at the short end when stopping down ?

As he pointed out, the off center resolution there drops significantly.
No good for landscape photograpy, I'm afraid.
Intrigued by your comments I read Ming Thein's review... twice.
Why did I read it again? Because I couldn't find any reference to off centre resolution dropping 'significantly' when stopping down at 12 mm. He does however say the edges 'degrade a fraction' and describes it as 'nitpicking'.
If this lens performs as he reports it looks like being the all-round zoom to have for m4/3rds.

You can rest easy as it looks like it should perform just fine as a landscape tool
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  #24  
Old 14th September 2013
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Re: Got the 12-40 at last!

I have used the 12- 40 in Ireland it is a super lens and the hood uses two push buttons to put it on or take it off. Will try to post shots still sorting my kitchen
( 50% of my new camera is coming my way due to this work) hope to finish tonight one little compression joint is giving me a headache but I will get there!
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Old 15th September 2013
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Re: Got the 12-40 at last!

Quote:
Originally Posted by Greytop View Post
Intrigued by your comments I read Ming Thein's review... twice.
Why did I read it again? Because I couldn't find any reference to off centre resolution dropping 'significantly' when stopping down at 12 mm. He does however say the edges 'degrade a fraction' and describes it as 'nitpicking'.
Well.
What he is saying and what shows up in his crop pictures definitely does not correlate for me.
The unsharpness stopped down is severe, at least to my taste.



taken from:
http://blog.mingthein.com/2013/09/13...#comment-50387

Whats left open, is to which amount this is caused by field curvature and possibly could be corrected by some degree by manual refocusing.

Thus in practice it might not be a show stopper, but there is hardly enough practice yet.

Hope Ian can help to clarify the severeness of this issue with a side by side comparison of the 12-60, so lets wait and see.
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  #26  
Old 15th September 2013
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Re: Got the 12-40 at last!

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Originally Posted by drmarkf View Post
I certainly haven't used this lens for more than a few minutes indoors, but surely in real life that's going a bit far!

The same could be said about the 'odd double bokeh' criticism he makes of the panny 12-35. I agree that lens doesn't have the greatest bokeh in the known universe, but if I want real subject isolation and superb bokeh I use a wider prime, anyway.

If we took all possible parameters of criticism against all lenses we'd never buy anything!

Well, I look at it from a different point of view.

Having exclusively used the 12-60/ 50-200 Combo already at the E-PL1 the question arises, if its the better choice to buy the new 12-40 for the E-M5 or to stay with the 12-60 and buy the E-M1 instead.

Sure this is a theoretical scenario for most Olly users ( and most certainly even for me) but I hope you get the point ?
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  #27  
Old 15th September 2013
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Re: Got the 12-40 at last!

Quote:
Originally Posted by mige0 View Post
Well.
What he is saying and what shows up in his crop pictures definitely does not correlate for me.
The unsharpness stopped down is severe, at least to my taste.

taken from:
http://blog.mingthein.com/2013/09/13...#comment-50387

Whats left open, is to which amount this is caused by field curvature and possibly could be corrected by some degree by manual refocusing.

Thus in practice it might not be a show stopper, but there is hardly enough practice yet.

Hope Ian can help to clarify the severeness of this issue with a side by side comparison of the 12-60, so lets wait and see.
Fair enough, I can see (to my eyes) a slight drop in sharpness but given these are 100% crops it wouldn't be enough to put me off using it at f/5.6.
As you say it could be down to field curvature in which case changing the point of focus could do the trick or a little additional zone sharpening with CO7 would also have a similar effect.
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  #28  
Old 15th September 2013
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Re: Got the 12-40 at last!

Here's some more test sample imagery to get your teeth into - back to back comparisons of the 12-40 and 12-60, full res JPEG and RAW files...

http://e-group.uk.net/forum/showthread.php?t=28993

Ian
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  #29  
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Re: Got the 12-40 at last!

Quote:
Originally Posted by Ian View Post
Here's some more test sample imagery to get your teeth into - back to back comparisons of the 12-40 and 12-60, full res JPEG and RAW files...

http://e-group.uk.net/forum/showthread.php?t=28993

Ian
Thanks a lot !
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