Choosing a Macro lens for an EOS 350D

Discussion in 'Digital SLR' started by jasonb, Jul 25, 2005.

  1. jasonb

    jasonb Guest

    I've had a 350D now for a couple of months would like to start taking
    better photo's of insects, flowers etc.

    The Sigma 18-200mm DC F3.5-5.6 lens I have at the moment allows me to
    get quite close to subjects, however it fails to focus at all if you get
    too close and when used at the 200mm end even good shots come out a
    little blurry. And I use a tripod for extreme closeup shots like this
    with a remote shutter release.

    From what I've read, this is where a macro lens would be useful. So
    far the EF 100mm F2.8 Macro has been personally recommended but costs
    around £400.00 and I've seen the EF-S 60mm F2.8 Macro which appears to
    be getting good results on FredMiranda and costs £270.

    Does anyone on this board have any experience with either of these two
    lenses? Would you recommend one over the other and why?
    jasonb, Jul 25, 2005
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  2. jasonb

    Jeremy Nixon Guest

    I haven't used these lenses (I use Nikon) but one thing to consider is
    that with 60mm macro (I have a 60mm macro) you need to get quite close
    to the subject -- I mean, a couple inches from the front of the lens.
    If you're doing insects, that may be a consideration since that may not
    be practical. The longer focal length gives you a few more inches of
    room to work.
    Jeremy Nixon, Jul 25, 2005
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  3. I have the EF 100mm macro, and I really love it. You can see some of the
    things I've done with it here:

    I agree about the comment that the 100 lets you be a bit farther away than a
    60. Even with the 100, sometimes it's difficult to get close enough to a
    very small moving subject.

    -- Martin
    Martin Schiff, Jul 25, 2005
  4. No, but I like the Sigma 105 macro lens.
    Charles Schuler, Jul 25, 2005
  5. jasonb

    JPS Guest

    In message <wL6Fe.189388$>,
    I don't know much about the 60mm, but if it is a 1:1 macro, it will give
    the same magnification as the 100mm, but you will need to be closer to
    the subject to get it. The situations in which you are shooting are
    very important, as is the perspective you wish to achieve. A shorter
    focal length allows you to get closer to the subject for the same
    magnification, which may be good or bad. If you're shooting a hornet,
    the 100mm will give you more distance to work with. If you're shooting
    the top of a high flower, the 100mm may have to be too high to focus.

    The backgrounds will be different, as well. The 60mm brings you closer
    to the subject, but not as much closer, percentage-wise, to objects in
    the background (assuming equal magnification), so they will be
    relatively smaller than if you had used the longer focal-length lens.

    The DOF and the needed shutter speed for sharpness will be the same, for
    the same level of magnification. This is very important to understand,
    because common wisdom is that the shorter focal length lens requires a
    slower shutter speed, and has more DOF, but that is only true at
    *infinity*, and becomes more untrue the closer you get to the subject.
    With the same magnification of a subject, shutter speed is the same for
    all focal lengths (unless you have IS), and with the same f-stop, the
    same magnification yields the same DOF, so *NEVER* decide to use a macro
    based on focal length alone, to address DOF or shutter speed! Consider
    focal length to address things like positioning of the camera/lens, and
    relative magnifications of things at different distances from the
    JPS, Jul 25, 2005
  6. jasonb

    frederick Guest

    I do too - it is a truly great lens. But I also very much like the idea
    of USM focusing in a macro lens like the Canon 60mm EF-s has. (I assume
    that holding the focus ring disengages AF)
    frederick, Jul 26, 2005
  7. jasonb

    Slack Guest

    You may to check with the DP Review, 350D group, too. There are several
    very good macro shooters there.
    Slack, Jul 26, 2005
  8. Hi.

    I have the Sigma 105mm macro and a friend has the Canon 100mm macro.
    The Canon is much faster to focus (using an EOS 30 body).
    The Sigma has a switch and a ring. Both have to be set to Auto or Manual
    focus and the ring is _very_ easy to move unintentionally to the Manual
    setting. I believe that Sigma's instruction leaflet warns against the ring
    being in Manual setting and the switch (and therefore the lens) being in
    Auto setting.

    Personally, I'd go for the Canon macro if you can afford it.

    Regards, Ian.
    Fred Anonymous, Jul 28, 2005
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