Need w/a lens for Canon EOS50D

Discussion in 'Canon' started by Pegleg, Jan 15, 2010.

  1. Pegleg

    Pegleg Guest

    Can't afford the real high end lenses. Have Canon EF 28-135
    IS zoom and Canon EF 70-300 IS USM and need a comparable
    wide angle.

    Thanks,
    Brian
     
    Pegleg, Jan 15, 2010
    #1
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  2. Isn't 10 into the fisheye realm?

    Brian
     
    Brian S. Jones, Jan 15, 2010
    #2
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  3. Pegleg

    Robert Coe Guest

    : Can't afford the real high end lenses. Have Canon EF 28-135
    : IS zoom and Canon EF 70-300 IS USM and need a comparable
    : wide angle.

    What you want, obviously, is the Tokina 11-16mm f/2.8. But it's unavailable,
    as it has been for months. And let me tell you this, buddy: I'M ON THE LIST
    AHEAD OF YOU!!! It's a dog-eat-dog world out there, and I need that lens for
    *my* 50D. If you get it first, I'll have to wait at least another month, which
    is unacceptable. Back off, I say!! That lens is MINE!

    I authorize you to settle for the Sigma 10-20mm f/3.5.

    Amiable Bob
     
    Robert Coe, Jan 15, 2010
    #3
  4. I'd settle for the Sigma 10-20mm f/4.0-5.6 instead of the f/3.5. I don't
    think the slightly larger aperture is worth the extra money.
     
    Robert Spanjaard, Jan 15, 2010
    #4
  5. Pegleg

    Bruce Guest


    No, it's a rectilinear lens.

    You need to learn the difference between a rectilinear lens, which
    reproduces straight lines as straight on the image, and a fisheye
    lens, which reproduces straight lines as curves.

    You can have two lenses of exactly the same focal length, one of which
    is a fisheye and one of which is a rectilinear lens. The focal length
    does not determine which kind of lens it is. It is all in the design
    of the optics.

    However, the shorter the focal length gets, the easier it is to design
    and produce a fisheye lens. So Canon's 10-22mm rectilinear is quite
    an achievement.
     
    Bruce, Jan 15, 2010
    #5
  6. Pegleg

    Pegleg Guest

    Thanks for the tip but I'm not that cheap!

    Brian
     
    Pegleg, Jan 17, 2010
    #6
  7. Pegleg

    mike Guest

    I use the Sigma 10-20 on a 350D - very nice results, sharp, minimal
    vignetting and insignificant distortion for scenery shots.

    -- Mike
     
    mike, Jan 17, 2010
    #7
  8. Pegleg

    Robert Coe Guest

    : In article <8150e$4b4ffd50$546accd9$>,
    : says...
    : > On Thu, 14 Jan 2010 22:42:15 -0500, Robert Coe wrote:
    : >
    : > > On Thu, 14 Jan 2010 16:40:50 -0800, Pegleg
    : > > : Can't afford the real high end lenses. Have Canon EF 28-135 : IS zoom
    : > > and Canon EF 70-300 IS USM and need a comparable : wide angle.
    : > >
    : > > What you want, obviously, is the Tokina 11-16mm f/2.8. But it's
    : > > unavailable, as it has been for months. And let me tell you this, buddy:
    : > > I'M ON THE LIST AHEAD OF YOU!!! It's a dog-eat-dog world out there, and
    : > > I need that lens for *my* 50D. If you get it first, I'll have to wait at
    : > > least another month, which is unacceptable. Back off, I say!! That lens
    : > > is MINE!
    : > >
    : > > I authorize you to settle for the Sigma 10-20mm f/3.5.
    : >
    : > I'd settle for the Sigma 10-20mm f/4.0-5.6 instead of the f/3.5. I don't
    : > think the slightly larger aperture is worth the extra money.
    : >
    : I use the Sigma 10-20 on a 350D - very nice results, sharp, minimal
    : vignetting and insignificant distortion for scenery shots.

    Which Sigma 10-20?

    Bob
     
    Robert Coe, Jan 18, 2010
    #8
  9. Pegleg

    mike Guest

    It is the Sigma 10-20mm f/4-5.6 EX DC, not the f/3.5 which wasn't
    avaiilable when iI bought mine (and would probably be out of my price
    range). I partner it with the Sigma 17-70mm f2.8-4.5 DC Macro HSM, which
    I am also pleased with, and a Canon 70-300 IS lens (the cheaper one).

    -- Mike
     
    mike, Jan 19, 2010
    #9
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