Introduction
I have already sent my Sigma lens for the replacement of the focus ring before. So when the new ring broke after 1 more year of usage I decided not to waste money any more and to try to fix it by myself.
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Put the lens on the table the way you can access the buttom screws.
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Unscrew the black screws near the contact plate and from the black inner ring (which stands between the optical lens and the top outer ring).
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Now you should be extra aware and do the next operation very carefully!
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Remove the inner optical part from the outer body part of the lens.
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Try to memorize the way the parts were inserted one into another (when assembilng the lens I have lost a lot of time figuring out how the optical part should be fitted into the outer body part).
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Put the optical part away very carefully without putting it upside down.
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DO NOT TRY TO DISASSAMBLE THE OPTICAL PART.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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6 commentaires
I dismounted the lens to make the repair and unintentionally I DISASSAMBLE THE OPTICAL PART and now I can not ride back. chaos
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I am very thankful to You, as just repaired my Sigma by this method.
Thank You very much!
I have a Sigma DG 70-300 zoom. Problem: zoom part comes all the way out and will not go back in and lock in place . Can it be fixed? John polley