Canon 28-105 mark I vs. II

Discussion in 'Canon' started by Siddhartha Tambat, Sep 24, 2003.

  1. Hi,

    What is the difference between the older and newer version of the
    Canon 28-105/3.5-4.5 USM lens? How do the two compare optically?

    -Siddhartha.
     
    Siddhartha Tambat, Sep 24, 2003
    #1
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  2. Optically identical; the differences are cosmetic only.

    Michael
     
    street shooter, Sep 24, 2003
    #2
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  3. Siddhartha Tambat

    Canonman Guest

    The "II" version now has a ring USM instead of a micromotor USM. That means
    it's quieter and more responsive.
    Regards,
    JB
     
    Canonman, Sep 24, 2003
    #3
  4. I own the "mark I" and it does, indeed, have ring USM.

    Michael
     
    street shooter, Sep 25, 2003
    #4
  5. Siddhartha Tambat

    Onepercentf Guest

    What is the difference between the older and newer version of the
    The first version had one fewer aperture blades.
    Don't know.
    regards, David
     
    Onepercentf, Sep 26, 2003
    #5
  6. $>What is the difference between the older and newer version of the
    $>Canon 28-105/3.5-4.5 USM lens?
    $
    $The first version had one fewer aperture blades.

    There are actually three versions of this lens, though officially
    Canon only says there are two.

    The very first version has a five-blade diaphragm. The next
    version has a seven-blade diaphragm. There are minor cosmetic
    differences between them. These two versions both have the same
    official name: EF 28-105mm f/3.5-4.5 USM.

    The current version, the EF 28-105mm f/3.5-4.5 II USM, also has
    a seven-blade diaphragm. It also has minor cosmetic differences.

    Apart from the different diaphragms, the three are all identical
    optically and mechanically.[/QUOTE]
     
    Stephen M. Dunn, Sep 27, 2003
    #6
  7. Thanks for all the replies. I wanted to buy this lens as a
    carry-around lens for street photography. But considering all the pros
    and cons, I've decided to buy the 85/1.8 since I already have the
    28/2.8 and the 50/1.8 II.

    -Siddhartha.
     
    Siddhartha Tambat, Sep 27, 2003
    #7
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