Need help focusing.

Discussion in 'Photography Beginners' Forum' started by sXtDakota02, Apr 6, 2007.

  1. sXtDakota02

    sXtDakota02 TPF Noob!

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    I'm playing around with my Nikon N65. It has a 28-105mm Tamron AF lens. When I get close to anything, it won't focus on manual or auto. Is this a problem with lens compatibility or something lik aperture? Thanks.
     
  2. Don Simon

    Don Simon TPF Noob!

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    I doubt there's a problem... you're probably just trying to focus before the lens's minimum focus distance. You can find the minimum focus distance written on the focus ring.
     
  3. drgibson

    drgibson TPF Noob!

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    Yep that will be the issue.
     
  4. sXtDakota02

    sXtDakota02 TPF Noob!

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    Thanks.
     
  5. drgibson

    drgibson TPF Noob!

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    Another thing to check is some lenses have a limit switch if this on then you will not be able to use the whole focus range. THe switch will limit you to either the distance end or the closeup end.
     
  6. EOS_JD

    EOS_JD TPF Noob!

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    Here's some specsfor the 28-105 Tamron.

    Angle of View 75°-24°
    Diaphragm Blade Number 9
    Minimum Aperture F/22
    Minimum Focus 19.7in.(0.5m)/28-105mm, 17.3in(.044m)/70-85mm
    Macro Mag. Ratio 1:4.7
    Filter Diameter ø82
    Weight 31.4oz. (880gm)
    Diameter x Length ø3.4 x 4.4in.
    (ø87 x 112mm)
     

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