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03-04-2013, 04:15 PM   #1
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Sticky Focus on 18-55mm Pentax lens

I saw a 18-55mm Lens on Ebay ( DA 18-55mm AL ) and I put in a low bid knowing it had sticky focus ..

And sticky it is , @ 35 to 18mm it works almost ok , usable as long as your not in a hurry ..

Higher mm ( especially 55mm ) it sticks well enough to lock up the focus ( wont focus correctly = Auto focus )

Is there a DIY fix ? or is the lens doomed ..

03-04-2013, 08:01 PM   #2
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Original Poster
Ok = Im not sure this was the correct course of action ...

Dry Lube ( Teflon ) ... I have a can ( 99% depleted ) of dry lube , this stuff ... You spray it on and it dries very quickly ( seconds ) depositing Teflon ..

Well , I sprayed and tried to lube the focus ring .. After spraying I used a rag to wipe off the excess ... Well , no more sticky focus ring , works in Auto focus mode just fine ...

A relatively cheap lens for Oz ..









Auto mode : SMC Pentax-DA 1:3.5-5.6 18-55mm AL
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11-08-2013, 05:50 AM   #3
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Mh... my 18-55 AL is sticky too... in my case it probably was some cranberry juice or so. Sometimes it is ok, other times... nope (I think when it is cold the lens still works more or less). There are also quite some grinding sounds though... is my lens doomed, or can it be fixed? I quite liked it...
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