https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/R5-Depth-of-Field-preview-Button/m-p/341267#M77991 <P>I use a R5 with EF Lenses on an adapter (Vello). The Depth-of-Filed preview button does not seem to work, neither in hte VF nor on the screen. Does anyone know a solution?</P><P>Thanks, jwolfastro</P> Wed, 28 Apr 2021 02:32:02 GMT jwolfastro 2021-04-28T02:32:02Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/R5-Depth-of-Field-preview-Button/m-p/341267#M77991 <P>I use a R5 with EF Lenses on an adapter (Vello). The Depth-of-Filed preview button does not seem to work, neither in hte VF nor on the screen. Does anyone know a solution?</P><P>Thanks, jwolfastro</P> Wed, 28 Apr 2021 02:32:02 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/R5-Depth-of-Field-preview-Button/m-p/341267#M77991 jwolfastro 2021-04-28T02:32:02Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/R5-Depth-of-Field-preview-Button/m-p/341269#M77992 <P>I would assume that you may have an adapter problem. &nbsp;Ask Vello about it. &nbsp;Maybe they have a firmware update.</P> Wed, 28 Apr 2021 04:14:14 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/R5-Depth-of-Field-preview-Button/m-p/341269#M77992 Waddizzle 2021-04-28T04:14:14Z