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DPChallenge Forums >> Hardware and Software >> Quick Canon 70-200 IS 2.8L and Non-IS question...
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Showing posts 1 - 6 of 6, (reverse)
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 09/09/2004 08:12:19 PM · #1
Hello-hello!

Does anyone know if ONLY the IS version of the Canon 70-200 2.8L has the 8 blade circular aperture as opposed to the non-is version?

Thanks for any info!
 09/09/2004 09:03:55 PM · #2
I've seen this debated before, and 90+% sure that both versions have the 8-blade aperture diaphragm. I looked on the Canon site, but the new site has less info in the specs section. Grrrr.
 09/10/2004 01:36:29 AM · #3
According to the lens chart( //consumer.usa.canon.com/app/pdf/lens/EFLensChart.pdf ), both lenses use an 8 blade aperture. I can't find confirmation on Canon's site, but I'd assume they are also both circular as well.
 09/10/2004 06:45:55 AM · #4
Originally posted by audioaltima:
According to the lens chart( //consumer.usa.canon.com/app/pdf/lens/EFLensChart.pdf ), both lenses use an 8 blade aperture. I can't find confirmation on Canon's site, but I'd assume they are also both circular as well.


Ahh, good find, I forgot about that chart!
 09/10/2004 02:41:13 PM · #5
Jello! I have this lens and it almost always stays on my camera along with the 24-70 2.8L! I was first introduced to it by a relative whose photos had incredibly gorgeous bokeh. Long story short he had said that it was only a special characteristic of the IS model only and, at the time at least, it was considered a 'new' premium feature. When I purchased the lens the seller also reassured me of this, because I wasn't really in need of the IS and I didn't want to spend the extra several hundred. I went through the canon website and found this:

//www.canon.com/camera-museum/tech/report/200109/report.html

It actually shows that there is a difference between the IS and Non-IS models side by side.

Well worth buying, gelatainous one!
 09/11/2004 03:42:48 PM · #6
Hi all!

Thank you all for your help, haven't been online in a bit and I noticed eddyg had also been very kind enough to email "allisyntec"'s link too. Thank you again, looks like it's time to start saving those pennies for the IS! :\
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