what's the difference?

Discussion in 'Photography Beginners' Forum' started by vinniemac3, Feb 5, 2010.

  1. vinniemac3

    vinniemac3 TPF Noob!

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    i was looking at these 2 lenses and was wondering if someone can tell me what the differences are.

    Sigma 70-300mm f/4-5.6 APO DG Macro Autofocus Lens for Nikon AF-D

    Sigma 70-300mm f/4-5.6 DG Macro Autofocus Lens for Nikon AF
     
  2. Overread

    Overread has a hat around here somewhere Staff Member Supporting Member

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    The top lens - the one with APO coatings - is an upgrade of the lower lens and because of the APO coatings it is able to achive a greater level of sharpness, especailly at the longer focal lengths between 200mm and 300mm.

    I have no idea about the AF and AF-D difference as I don't speak Nikonian ;)
     
  3. PhotoXopher

    PhotoXopher TPF Noob!

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    AF-D gives distance info to the camera, in short - get the first one.
     
  4. vinniemac3

    vinniemac3 TPF Noob!

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    thank you guys i appreciate it
     

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