Sean Adl Posted January 29, 2022 Share Posted January 29, 2022 Hi everyone, I recently purchased a used Cabrio 19-90 (v2) from a reputable dealer. All seems to be in good working order. However, when doing some light cleaning on the front lens I noticed a slight 'wobble'.. as in the glass could be moved around. Is this normal? This is my first serious lens (previously been shooting on stills lenses) so not sure whether I should be sending this back to get looked at/repaired. Link to comment Share on other sites More sharing options...
Sean Adl Posted January 29, 2022 Author Share Posted January 29, 2022 Just to clarify - It's actually the protective filter that I'm referring to. That filter rotates around (is loose). Not sure if its supposed to be in a fixed position or not. Link to comment Share on other sites More sharing options...
Premium Member Phil Rhodes Posted January 29, 2022 Premium Member Share Posted January 29, 2022 Post a photo, so we know exactly what we're dealing with? Link to comment Share on other sites More sharing options...
Premium Member Dom Jaeger Posted January 29, 2022 Premium Member Share Posted January 29, 2022 If it’s just a filter, they are usually held in by a lock ring which may have come a bit loose in transit. Ideally they are tightened with a lens wrench, but if you’re careful you should be able to tighten it (at least enough to stop the filter wobbling) with your fingernails or two small tools. Then secure it with a dab of matte black nail polish. Or see if the seller will cover the cost of taking it to a lens technician, it should be a 5 minute job unless something else is amiss, like if the lock ring is cross threaded. Link to comment Share on other sites More sharing options...
Sean Adl Posted January 30, 2022 Author Share Posted January 30, 2022 Thanks for the responses. Here are a few of photo's of the lens. One shows the front of the lens and the other two shows the top with me moving the lens protector around with my finger. https://ibb.co/RNzmGC9https://ibb.co/VxmkGwK https://ibb.co/Sm8Wk2Z Where would I locate the lock ring? Link to comment Share on other sites More sharing options...
Premium Member Dom Jaeger Posted January 30, 2022 Premium Member Share Posted January 30, 2022 So is it the whole filter that’s loose or the glass inside the filter? The lock ring holds the glass in the filter frame, it’s the ring just inside the filter lip with notches. If the glass is loose, you need to tighten that ring. If it won’t do up any further it could be cross threaded. If the whole filter is loose I would think it just needs to be screwed in properly, no? Link to comment Share on other sites More sharing options...
Sean Adl Posted January 30, 2022 Author Share Posted January 30, 2022 Just checked now, it's the whole filter that moves around. I can't see where I would tighten the screws for the filter though. Link to comment Share on other sites More sharing options...
Premium Member Dom Jaeger Posted January 30, 2022 Premium Member Share Posted January 30, 2022 It doesn’t just screw into the front filter thread of the lens? Link to comment Share on other sites More sharing options...
Sean Adl Posted January 31, 2022 Author Share Posted January 31, 2022 23 hours ago, Dom Jaeger said: It doesn’t just screw into the front filter thread of the lens? I feel like an idiot - I just screwed it some more and it tightened. It must have been really loose. I had previously been turning it clockwise and it wasn't tightening - I guess i didn't go far enough. Link to comment Share on other sites More sharing options...
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