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    2 May 2012 - 7:46 PM

    Hi everyone,
    not been on for a while but I picked up on canon lense70-200 f4l
    cannot find where it was because I have been off priceing them up.
    My problem is...one is ais usm at over 1000 and the other is usm at 400+ so apart from the price what is the difference? Anyone know?

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    StrayCat e2 Member 1014947 forum postsStrayCat vcard Canada2 Constructive Critique Points
    2 May 2012 - 7:52 PM

    The expensive one has Image stabilisation built in. It's easier to handhold when shooting and dampens out camera and lens shake. I had the other one and really liked it. I used it on a tripod.

    Last Modified By StrayCat at 2 May 2012 - 7:52 PM
    2 May 2012 - 7:56 PM

    Hi Straycat thanks for that Is 400 a reasonable price for the usm..and do you know what it stands for

    mikesavage  12248 forum posts England2 Constructive Critique Points
    2 May 2012 - 8:05 PM

    USM = UltraSonic Motor.

    2 May 2012 - 8:06 PM

    Cheers Mike

    elowes  102832 forum posts United Kingdom
    3 May 2012 - 11:56 AM

    The 70-200 F4 with image stabalisation is better image quality than the none IS.
    It can be used with the 1.4 extender and still provides great results.

    I thought it a worth while upgrade from the non IS.

    Have a look at http://www.the-digital-picture.com/ for a review of most things Canon.

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