Forum indexCanon SLR Lens TalkChange forum

Beginner Q, Canon lens USM

Started Oct 18, 2011 | Discussion thread

Forum

Parent

First

Next unread

Flat view

gromero

Forum Member • Posts: 89

Like?

Beginner Q, Canon lens USM

Oct 18, 2011

Hi all,

Are non USM lenses slower at auto focusing? Or does the USM system just make it smoother at auto focusing?
I take a lot of fish photo's and auto focus speed is important.

Thanks

Reply to thread Reply with quote Complain

Forum

Parent

First

Next unread

Flat view

Post (hide subjects)	Posted by	When
Beginner Q, Canon lens USM	gromero	Oct 18, 2011
Re: Beginner Q, Canon lens USM	Shorthand	Oct 18, 2011
USM and benefits...	rsn48	Oct 18, 2011
Re: USM and benefits...	gromero	Oct 18, 2011
Only micro-USM	Peter Kwok	Oct 18, 2011
Re: Only micro-USM	Steve Balcombe	Oct 18, 2011

Forum

Parent

First

Next unread

Keyboard shortcuts:

FForum PPrevious NNext WNext unread UUpvote SSubscribe RReply QQuote BBookmark post MMy threads

Color scheme? Blue / Yellow

Editorial content

Product database

Community

Am I the only one who doesn't care about video ...	78
Full Frame Pentax mystery deepens....	62
Why Canon Made 1Dx Best Specification , Low ...	59
Local area for Play	41
How many of you guys have a back up camera?	40
V1 - Deal of the Century!	39
Advise for a walk around lens for K5?	38
EP5 or OMD EM5 (Ignoring Price) For Beginner?	35
A Year with the OM-D E-M5	34
NX300 & NX2000 source code	33
Olympus 2012 imaging financial results	31
Olympus financial results for 2012 fiscal year	29
"Street" Photography over the line?	29
Do have canon A better cheap lens instead of ...	29
The future really is smartphones for general ...	29
Suggestions for small camera - Fujifilm X20 or ?	27
shooting raw	26
Has this photo lost all hope?	25
First photos with 9-18mm	25
Panny 12-35 vs 14-45	24