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Author Message   Robertro Tinkerer Username: Robertro Post Number: 8 Registered: 05-2009 Rating: N/A Votes: 0 Posted on Saturday, July 11, 2009 - 02:00 pm:    Hi, I'm trying to take off the front elements on a Tokina AT-X 80-200 2.8 lens. The very front of the lens with the red ring - about 1/4" - seems to be independent of the barrel, but does not budge (I've removed the set screw, and tried to twist the front part off, with no luck. I've tried the WD-4 and oil filter wrench technique, but there's not much to grip on! Has anyone been successful in taking this lens apart? Here's a pic of the same lens; it's the front part with the red line that I thought would come off: http://www.pentaxforums.com/forums/attachments/sold-items/17067d1218695313-sale- sold-tokina-80-200-x-sd-f-2-8-pentax-m-50mm-f-1-4-imgp1527.jpg Thanks,