Is STM better than USM?

Started Jun 8, 2012 | Discussions thread
ForumParentFirstPreviousNextNext unread
Flat view
Alan Sh
Senior MemberPosts: 1,166Gear list
Like?
Is STM better than USM?
Jun 8, 2012

I'm interested in the new 18-135 STM as a replacement for my 17-85 USM lens. Is there any information anywhere yet that says whether STM is better than USM for fast focussing (e.g. for sports).

thanks

Alan

 Alan Sh's gear list:Alan Sh's gear list
Canon EOS 7D Canon EOS 6D Canon EF 17-40mm f/4.0L USM Canon EF 28-135mm f/3.5-5.6 IS USM Canon EF 70-300mm f/4.5-5.6 DO IS USM +3 more
ForumParentFirstPreviousNextNext unread
Flat view
Post (hide subjects)Posted by
ForumParentFirstPreviousNextNext unread
Keyboard shortcuts:
FForum PPrevious NNext WNext unread UUpvote SSubscribe RReply QQuote BBookmark post MMy threads
Color scheme? Blue / Yellow