Zoom: SIGMA 18-200mm f/3.5-6.3 DC vs. Nikon 70-300mm f/4-5.6 ED

Discussion in 'Nikon' started by Giovanni Azua, Jun 6, 2005.

  1. Hi all,

    Can anyone please point me to online comparisons among these two?

    (I have succ upgraded my D70 to latest firmware 3.0)

    I have a Nikon D70 kit and already bought and have extensively tried the
    Nikon 70-300mm ED one, I get most of the time very short "focus depth"
    i.e. the main target is in good focus everything around even very close is
    really out of focus, even when outdoors with lots of light and using ISO 200
    setting. Any ideas how to troubleshoot this?

    For indoors I really need an external flash ... otherwise the picture will
    get grained with 100% certainty.

    I am seriously thinking of selling my Nikon 70-300mm ED lens.

    Thanks in advance,
    Best Regards,
    Giovanni Azua, Jun 6, 2005
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  2. I have the Nikon 28-200 lens. It is great for what I want to use it for, as
    a walking around lens when we are at the park or the zoo. I don't have to
    switch to a wide angle to get a snapshot of the family, but I can also zoom
    in on a bird or some animals. Anywas, I've gotten good results with it and
    would recommend it. Of course if you really want top performance you should
    spend more money and get the 80-200 f2.8, but that lens is too big and heavy
    and expensive for a hobbyist like myself.

    I can't imagine you'll get better results switching from f5.6 at 300mm to
    f6.3 at 200mm! Yikes!

    Hope that helps.
    hotchkisstrio, Jun 6, 2005
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