OliveOliveOlive Posted November 22, 2019 Share Posted November 22, 2019 Hi everyone I'm fed up trying to make my canon 17-55mm 2.8 work on our dear camera. I bought three adapters and no one worked ! I also broke a new vitrox ef-m2 trying to adapt the canon ef-s on it. I final bought a viltrox ef-M1 as I saw on forum than it works with 2.3 firmware on it. Mut maybe because I got the last firmware on the BMPCC4K, I neither can't manage to have iris management nor IS (stabilisation) on the camera. So I decide to ask for help. Thanks from Paris, France. Olivier Quote Link to comment Share on other sites More sharing options...
Administrators Andrew Reid Posted November 22, 2019 Administrators Share Posted November 22, 2019 Our Dear Camera is a false hope. Sell it. Quote Link to comment Share on other sites More sharing options...
Shell64 Posted November 23, 2019 Share Posted November 23, 2019 Yes, our dear camera may be broken. If you recently bought it, return it and get a replacement. Otherwise, sell this cam and get another to see if the issue persists. Quote Link to comment Share on other sites More sharing options...
The ghost of squig Posted November 23, 2019 Share Posted November 23, 2019 I’m using a Sigma 17-50mm and the Viltrox M2, no problems with IS or iris with that combo. I haven’t upgraded to 6.6, too buggy. Quote Link to comment Share on other sites More sharing options...
stephen Posted November 23, 2019 Share Posted November 23, 2019 1. You can't use EOS EF-S (APS-C) Canon lenses on any speedbooster or Canon full frame camera. They have plastic part that protrudes deeper then normal full frame EOS EF lenses. Some people modify - cut the protruding part or simply pop up the plastic part in the back of the lens in order to mount them on full frame camera. I've done it on cheap EF-S 18-55mm f3.5-5.6 but won't do it on expensive EF-S 17-55mm f2.8. https://en.wikipedia.org/wiki/Canon_EF-S_lens_mount Solution is to use third party lenses, like Sigma or Tamron, they have standard EF mount and fit without problem. 2. Viltrox speedboosters are cheap but often problematic. That's my conclusion. Have exactly the same combination as The ghost of squig - Sigma 17-50mm f2.8 + Viltrox EF-M2 II and it doesn't work. Tried BMPCC 4K firmware 6.2 and 6.6 and Viltrox firmware 2.3 , 3.3. Neither stabilization nor aperture work in any combination of firmware. So maybe my Viltrox is defective because it can't even change aperture of any other Canon lens I have (24-105mm, 50mm, Tokina 11-16mm) except Canon EF 35mm f2 (old version). By the way there is new Viltrox firmaware 3.4 but can't test it now. Solution for me is unfortunately to buy the much more expensive Metabones speedbooster. Otherwise BMPCC 4K is great for me. It has it quirks, they are well known but there are ways to get around them. Like and use the camera a lot. Kisaha 1 Quote Link to comment Share on other sites More sharing options...
Kisaha Posted November 23, 2019 Share Posted November 23, 2019 I would like to see BM add m43 profiles for correcting native lenses. I am using the 12-100 Olympus, which is alright if you start from 16mm or something, but it ain't usable under that. I hate speedboosters and adapters, they always create problems, but they are ok for manual lenses and my Samyangs. For run and gun I would suggest go native (m43). Quote Link to comment Share on other sites More sharing options...
Inazuma Posted November 23, 2019 Share Posted November 23, 2019 Yes on the 17-55 there is a plastic bit that you can pop out at the back. Ive done it before and had no problems putting it back in later. Quote Link to comment Share on other sites More sharing options...
OliveOliveOlive Posted November 24, 2019 Author Share Posted November 24, 2019 Im talking about a non speed booster Viltrox ef m1. It does fit, it's a firmware problem. There is no glass inside. Sorry I talk about the ef-m2 on my first message. No one make an EF-M1 with canon lens ?! Quote Link to comment Share on other sites More sharing options...
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