Studio G Posted August 14, 2017 Share Posted August 14, 2017 I think I just bricked my son's Canon lens! Today he bought a used Canon EF-S 10-18 STM for his Canon T4i, and it was working perfectly. I thought I'd compare its IQ to my EF-S 10-22 which I was using on my a6500 via Commlite adapter. (Terrible blurring in the corners, don't even try it on mirrorless — no such blurring on the Canon SLR.) So I put the 10-18 on my a6500, and it wouldn't even recognize the lens. F stop was reported as 00, and no autofocus. No manual focus either, because this lens is focus by wire. So I thought no biggie, and put it back on his T4i. But now it won't work on the Canon either — F 00, no focus, no red focus points, and when I try to click the shutter I get an error 01, communication error with lens. I tried all the tricks. Clean contacts, remove battery, re-mount lens, no joy. So I think this lens is ruined. Anyone else experience this? Is there a fix for it, or do I have to give him my 10-22 in compensation? Whelp, that's enough third party lenses for me. Link to post Share on other sites More sharing options...
Advertisement Posted August 14, 2017 Posted August 14, 2017 Hi Studio G, Take a look here Bricked a Canon EF-S 10-18. I'm sure you'll find what you were looking for!
Guest Jaf-Photo Posted August 14, 2017 Share Posted August 14, 2017 I think there was an issue with Commlite adapters frying circuitry a while back. Probably lucky it didn't fry the camera. Link to post Share on other sites More sharing options...
Studio G Posted August 14, 2017 Author Share Posted August 14, 2017 This adapter has worked well on all my other lenses. Just the 10-18 fried. But from now on it's going to be just native e-mount or 1960s vintage lenses for me. And that Vello speed booster is going straight to the trash. Link to post Share on other sites More sharing options...
Guest Jaf-Photo Posted August 14, 2017 Share Posted August 14, 2017 There was a particular version of the Commlite adapter that caused damage to the gear. I believe they did a firmware update that didn't work and then a recall of the adapters. So it's a specific problem. In any case, you're lucky it only toasted a relatively affordable lens. Link to post Share on other sites More sharing options...
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