August 28, 2014, 09:40:54 PM

Author Topic: 70-200 Halo issue?  (Read 3226 times)

Viggo

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70-200 Halo issue?
« on: September 13, 2013, 05:48:35 AM »
Hi guys,

Anyone else seen this in their 70-200 mk2, seems like the problem is with the new verisons, with the new lenscap?

http://www.lightingmods.blogspot.no/2013/08/halo-problems-on-canon-lens-70-200-l-is.html

« Last Edit: September 13, 2013, 05:50:43 AM by Viggo »
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70-200 Halo issue?
« on: September 13, 2013, 05:48:35 AM »

candyman

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Re: 70-200 Halo issue?
« Reply #1 on: September 13, 2013, 06:16:41 AM »
I bought mine last year in october. I do not see this halo effect.
I would say that this person got a defective lens. Recommendation is to bring it back and exchange it.
 
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Viggo

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Re: 70-200 Halo issue?
« Reply #2 on: September 13, 2013, 07:00:03 AM »
I bought mine last year in october. I do not see this halo effect.
I would say that this person got a defective lens. Recommendation is to bring it back and exchange it.

..only that he has done that 3(!) times already...
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candyman

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Re: 70-200 Halo issue?
« Reply #3 on: September 13, 2013, 08:44:38 AM »
I bought mine last year in october. I do not see this halo effect.
I would say that this person got a defective lens. Recommendation is to bring it back and exchange it.

..only that he has done that 3(!) times already...

Don't know what to say.
I used my lens indoor in a theatershow some weeks ago. I looked over the photos again. There is no such flare as he showed in his photos. My number 89xxxx1957
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Viggo

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Re: 70-200 Halo issue?
« Reply #4 on: September 13, 2013, 08:58:59 AM »
I bought mine last year in october. I do not see this halo effect.
I would say that this person got a defective lens. Recommendation is to bring it back and exchange it.

..only that he has done that 3(!) times already...

Don't know what to say.
I used my lens indoor in a theatershow some weeks ago. I looked over the photos again. There is no such flare as he showed in his photos. My number 89xxxx1957

I never saw it in mine either, but he seems to think the new lenscap-versions are at fault, meaning 2013 edition.
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Mt Spokane Photography

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Re: 70-200 Halo issue?
« Reply #5 on: September 13, 2013, 11:58:50 AM »
Problems with lenses can be batch related, or a new subcontractor, new manufacturing process, or any other number of things that are changes that take place from time to time.
 
Apparently he is the only one who has seen this, but now lots of others will start looking, who knows what they will find.  Canon, in some other countries is not as quick to respond as Canon USA, so I understand his disappointment.

GMCPhotographics

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Re: 70-200 Halo issue?
« Reply #6 on: September 14, 2013, 09:20:21 AM »
It looks like that assembly the OP has pointed out is made from a more reflective material than the slightly older batch of the same lens. That said, I've found this particular lens optical formula to be excellent in every area except flare control and sun stars....it's pretty bad imho. 

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Re: 70-200 Halo issue?
« Reply #6 on: September 14, 2013, 09:20:21 AM »

Timothy_Bruce

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Re: 70-200 Halo issue?
« Reply #7 on: September 15, 2013, 07:58:15 AM »
I can reproduce the effect with my september 2012 produktion 70-200 but it is not by any means that strong.
It is noticeable in VF and on fotos but only when I point my Led Lenser p7 ( that thing has a laser danger sticker on it ) directly into it and focus and zoom so it comes up.
That is so bright that even with a ND X8 in front of the VF it hurts my eyes and I can't really look at it.
 

Viggo

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Re: 70-200 Halo issue?
« Reply #8 on: September 15, 2013, 12:43:40 PM »
I can reproduce the effect with my september 2012 produktion 70-200 but it is not by any means that strong.
It is noticeable in VF and on fotos but only when I point my Led Lenser p7 ( that thing has a laser danger sticker on it ) directly into it and focus and zoom so it comes up.
That is so bright that even with a ND X8 in front of the VF it hurts my eyes and I can't really look at it.

You should never ever point a laser into your camera dude! That has been a known source to destroy a sensor in a
Second....

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jabbott

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Re: 70-200 Halo issue?
« Reply #9 on: September 15, 2013, 03:12:25 PM »
Have not experienced this, and mine is late 2010/early 2011 vintage.

photonius

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Re: 70-200 Halo issue?
« Reply #10 on: September 15, 2013, 05:21:46 PM »
Hi guys,

Anyone else seen this in their 70-200 mk2, seems like the problem is with the new verisons, with the new lenscap?

http://www.lightingmods.blogspot.no/2013/08/halo-problems-on-canon-lens-70-200-l-is.html

Very good analysis, it's clearly reflecting off the material inside the lens. If it is batch related, and previous copies didn't have it, Canon has an issue that needs to be resolved. 

mackguyver

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Re: 70-200 Halo issue?
« Reply #11 on: September 18, 2013, 04:21:01 PM »
I never saw it in mine either, but he seems to think the new lenscap-versions are at fault, meaning 2013 edition.
I bought one of the first 2013 "new lens cap" versions in the USA, but don't remember seeing this artifact.  I'll see if I can duplicate the issue tonight, though.
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Re: 70-200 Halo issue?
« Reply #12 on: September 18, 2013, 06:44:29 PM »
I can reproduce the effect with my september 2012 produktion 70-200 but it is not by any means that strong.
It is noticeable in VF and on fotos but only when I point my Led Lenser p7 ( that thing has a laser danger sticker on it ) directly into it and focus and zoom so it comes up.
That is so bright that even with a ND X8 in front of the VF it hurts my eyes and I can't really look at it.
I was doing the same with my Lenser and all of my lenses.  Its pretty neat to see all those colored bubbles light up as the light passes thru the elements.  Red=Green, Gold, Yellow, blue, even white bubbles. 
 
I couldn't see any reflections off the internal parts, but they did appear to be the same as the photo.  I don't think I have any serious backlit images like the ones in the article, so I would not see the issue.  I'd use my 135mmL for shots like those in any event.

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Re: 70-200 Halo issue?
« Reply #12 on: September 18, 2013, 06:44:29 PM »

brad-man

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Re: 70-200 Halo issue?
« Reply #13 on: September 18, 2013, 06:57:40 PM »
I can reproduce the effect with my september 2012 produktion 70-200 but it is not by any means that strong.
It is noticeable in VF and on fotos but only when I point my Led Lenser p7 ( that thing has a laser danger sticker on it ) directly into it and focus and zoom so it comes up.
That is so bright that even with a ND X8 in front of the VF it hurts my eyes and I can't really look at it.

You should never ever point a laser into your camera dude! That has been a known source to destroy a sensor in a
Second....

 ;D  Relax dude. The Lenser P7 is just a beam focusing LED flashlight. The laser warning is pure marketing.

mackguyver

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Re: 70-200 Halo issue?
« Reply #14 on: September 18, 2013, 07:12:05 PM »
Zero issues on my "new lens cap" version of the lens, with or without hood, with or without B+W MRC UV filter.  If anything, I'm all the more impressed by how flare resistant it is...but the sun isn't out, so I'll have to try it with natural light some other time.
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Re: 70-200 Halo issue?
« Reply #14 on: September 18, 2013, 07:12:05 PM »