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Old 06-16-2009   #1
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Default Why do some Sigma lenses have a red ring like a Canon L?

Well the title says it all. I have 2 Sigma lenses that have a red ring almost exactly where Canon puts the red ring on the L's, wondering why


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Old 06-16-2009   #2
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Default Re: Why do some Sigma lenses have a red ring like a Canon L?

Wannabes. I put red rubber bands on my non L lenses.
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Old 06-16-2009   #3
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Default Re: Why do some Sigma lenses have a red ring like a Canon L?

No these are not rubber bands, they're official. I'm just wondering if Sigma's red rings mean anything
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Old 06-16-2009   #4
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Default Re: Why do some Sigma lenses have a red ring like a Canon L?

Can you post a photo of your lens?
as ZI did look in the site but didn't see any

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Old 06-19-2009   #5
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Default Re: Why do some Sigma lenses have a red ring like a Canon L?


Sorry for the really late reply!

The 70-300 Macro & 18-200 3.5-6.3
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Old 06-19-2009   #6
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Default Re: Why do some Sigma lenses have a red ring like a Canon L?

red ring means APO DG.
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Old 06-20-2009   #7
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Default Re: Why do some Sigma lenses have a red ring like a Canon L?

Cool thanks
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Old 06-20-2009   #8
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Default Re: Why do some Sigma lenses have a red ring like a Canon L?

I also have a couple Tokina lenses that have a red ring...Don't mean a thing..
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Old 06-20-2009   #9
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Default Re: Why do some Sigma lenses have a red ring like a Canon L?

That can be a good and a bad thing


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