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Introdução

Autofocus bearings were stuck, I could only focus between 0 to 0.5m.
This guide will roughly show you how to reach a part which moves the lens and makes it to zoom and focus.

Ferramentas

Peças

Nenhum componente especificado.

  1. Disassembling Sigma 24-70mm F2.8 EX DG Macro Lens Zoom bearing, Disassembling Sigma 24-70mm F2.8 EX DG Macro Lens Zoom bearing: passo 1, imagem 1 %32
    • Camera lens are delicate and intricate. Be careful with the disassembly and work slowly.

    • Take the lens away from camera

    • DO NOT FORGET: THAT YOU ARE DOING ALL ON YOUR OWN RESPONSIBILITY

  2. Disassembling Sigma 24-70mm F2.8 EX DG Macro Lens Zoom bearing: passo 2, imagem 1 %32 Disassembling Sigma 24-70mm F2.8 EX DG Macro Lens Zoom bearing: passo 2, imagem 2 %32
    • Unscrew the top part and detach it.

    • Unjoin cables. Be careful; they're delicate, and easily torn.

    • Try to avoid touching sensitive electronic components.

    • Unfasten the screws that hold the circuit board in place, and separate it from the rest of the lens assembly.

  3. Disassembling Sigma 24-70mm F2.8 EX DG Macro Lens Zoom bearing: passo 3, imagem 1 %32 Disassembling Sigma 24-70mm F2.8 EX DG Macro Lens Zoom bearing: passo 3, imagem 2 %32
    • Take away zoom rubber and you will find srews

  4. Disassembling Sigma 24-70mm F2.8 EX DG Macro Lens Zoom bearing: passo 4, imagem 1 %32 Disassembling Sigma 24-70mm F2.8 EX DG Macro Lens Zoom bearing: passo 4, imagem 2 %32
    • Keep unscrewing and removing the parts until you reach what you need to fix.

    • Zoom bearing can be taken away by unscrewing its srews.

  5. Disassembling Sigma 24-70mm F2.8 EX DG Macro Lens Zoom bearing: passo 5, imagem 1 %32
    • Here is one of the parts which was broken, so I go to camera repair shop, and bought that parts. As this was not the only part broken, I had to leave for additional repair.

    • When you finish you can put all back together

Conclusão

To reassemble your device, follow these instructions in reverse order.

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Rimvydas

Membro desde: 29/03/2012

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