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Lens fine adjustment tool
  • valdi99valdi99

    Very nice tool for critical Sigma lens adjustment. I would love to get the same for Panasonic lenses...

    http://www.wexphotographic.com/blog/sigma-usb-dock-review

  • 5 Replies sorted by
  • Vitaliy_KiselevVitaliy_Kiselev

    @valdi99

    You do not need anything like this.

    Sigma need it as body won't be able to set any lens parameters or update firmware.

  • valdi99valdi99

    So you are saying it is possible to calibrate Panny lenses via Panny body? What software should be used then?

  • Vitaliy_KiselevVitaliy_Kiselev

    So you are saying it is possible to calibrate Panny lenses via Panny body

    Lens does not need any calibration for cameras with contrast auto focus or even on sensor phase AF.

    Whole calibration stuff appears from simple fact that in DSLR phase sensor is located in different place.

  • valdi99valdi99

    So why Panasonic service charges big money for calibrating lenses - if it is not needed? I've been told that sometimes lenses have to be calibrated, if they loose sharpness for example. In this case the fine adjustments of the position of the lenses inside are made by software.

  • Vitaliy_KiselevVitaliy_Kiselev

    So why Panasonic service charges big money for calibrating lenses - if it is not needed? I've been told that sometimes lenses have to be calibrated, if they loose sharpness for example.

    It is not calibration. It is lens repairs, physical.

    In this case the fine adjustments of the position of the lenses inside are made by software.

    No. All it does is set some focus ranges and also add corrections for focusing on DSLR body (specific!). This is how I understand it.

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