Question about Sigma 18-35mm f/3.5-4.5 Lens
to remove the front lens you will see a ring that you can peel off and you will see
4 screws take them off and the front lens will come off
Posted on Dec 31, 2010
In general, "opening up" any lens unless you are trained in repairs is a fast-track to buying a replacement lens. I.e., not advisable to do so. The hazards are extensive such as getting everything in alignment during reassembly, avoiding damage to lens coatings when cleaning, avoiding damage to electronics, getting the focus and zoom tracks/pins correctly aligned. I suggest you "bite the bullet" and take it to a qualified camera repair shop or send it to Sigma for repair. Or, just spend the bucks to replace it as cost to repair this could make it not worth the price. I have some first-hand experience at doing lens repairs before the era of electronics in cameras and lenses and there is no way I would try to repair one with electronics or current lens elements and coatings.
Posted on Oct 16, 2010
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Posted on Jan 02, 2017
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