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Canon USM and IS reliability, durability question

A friend of mine and I have been discussing whether or not it is worth it to upgrade to the IS version of the Canon 70-200 2.8 L series lens. We are both a bit tough on gear, (he is a scientist, and is probably tougher on field gear than most photographers) and we have been wondering if the IS system adds any mechanical vulnerability. Any thoughts on these optics? Experiences with failure?

by John Louis Lassen Perry at 2012-07-05 20:30:38 UTC | Bookmark | | Report spam→

no worries – working with it for years in all conditions from -30 to 40 °C, snow, dust, sand, rainforest, rock climbing, skiing, mountaineering. The IS makes it VERY convenient.

by Bernard van Dierendonck | 06 Jul 2012 08:07 | Zürich, Switzerland | | Report spam→
Thanks, Bernard, use in mountaineering and climbing conditions certainly shows durability. I appreciate the response. Nice shots on your gallery, by the way.

by John Louis Lassen Perry | 07 Jul 2012 19:07 (ed. Jul 7 2012) | Liberty Corner, New Jersey, United States | | Report spam→
I have lugged mine all through cuba, china (many times), greece, and never had an instant’s trouble. It’s a workhorse lens. Can;t recommend it highly enough. worth every cent. Unbelievably sharp.

by John Rudoff | 09 Jul 2012 05:07 | Portland Oregon, United States | | Report spam→

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John Louis Lassen Perry, Photoanthropologist John Louis Lassen Perry
Califon, New Jersey , United States
Bernard van Dierendonck, Photographer, Journalist, Bernard van Dierendonck
Photographer, Journalist,
Zürich , Switzerland
John  Rudoff, Still Photography John Rudoff
Still Photography
Portland Oregon , United States


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