optical zoom question

Discussion in 'Beyond the Basics' started by pbwhite, Jul 22, 2004.

  1. pbwhite

    pbwhite TPF Noob!

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    i just bought a sony DSC-F828 camera with a 7X optical zoom. I've been looking at other lenses online just out of curiosity and have a question. I see a lense that is a 2X lense for my camera. It says 2 times conversion factor of existing lense. Does this mean if i put this lense on my camera it will multiply my existing 7X zoom by 2, making it a 14X? Or does it just mean it is only a total of 2X optical zoom lense and isn't as good as my existing lense?
     
  2. mrsid99

    mrsid99 TPF Supporters Supporting Member

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    In theory it should make it a 14x but you may find that it becomes only 14x when the multiplier is fitted.
    By that I mean you may get severe vignetting at anything other than full zoom.
    BTW, I haven't tried it with a Sony but that has been my experience with other digital cameras.
    HTH.
     

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