17-55mm f2.8 ultrasonic ring popped out of place

Started Jul 8, 2010 | Discussions thread
ForumParentFirstPreviousNextNext unread
Flat view
Jeff Greenberg
Contributing MemberPosts: 549Gear list
Like?
17-55mm f2.8 ultrasonic ring popped out of place
Jul 8, 2010

How hot was it?
It was so hot yesterday
while I was zooming,
the thin ?plastic? ring with "Ultrasonic" printed on it

in front of wider rubber ribbed zoom ring popped out of place.
I took one shot, realized what happened, & snapped it back in place.
Images taken after that look OK
edge to edge when zoomed in camera monitor (7D)

BUT SHOULD I WORRY ABOUT LENS ELEMENT ALIGNMENT...?
(advice appreciated)
And has this happened to others?
Is Utrasonic ring pop-out a way to blow dust off inner lens elements?

-- hide signature --

Regards

ForumParentFirstPreviousNextNext unread
Flat view
ForumParentFirstPreviousNextNext unread
Keyboard shortcuts:
FForum PPrevious NNext WNext unread UUpvote SSubscribe RReply QQuote BBookmark post MMy threads
Color scheme? Blue / Yellow