https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/EOS-R6-10m-Micro-HDMI-to-HDMI-Cable-does-not-output-video/m-p/398773#M94756 <P>Welcome to the forums.</P><P>You do not have a camera problem. &nbsp;You have an HDMI cable issue. &nbsp;The fact that the camera output seems to with 3-5 meter long cables means the camera HDMI works as designed.</P><P>Your problem is that the laws of physics are not working in your favor. &nbsp;For complex electronic reasons that are off-topic, the length of HDMI cabling has a maximum limit, 25 feet or 7.6 meters. &nbsp;A passive cable that is 10 meters or longer should never work properly. &nbsp;</P><P>If your active HDMI cable extension is not working, then you could have a grounding problem or bad gear. &nbsp;You have already stated that the camera works,, just as it should.</P> Wed, 21 Dec 2022 00:55:37 GMT Waddizzle 2022-12-21T00:55:37Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/EOS-R6-10m-Micro-HDMI-to-HDMI-Cable-does-not-output-video/m-p/398771#M94755 <P>Hi I have EOS R6 and I am connecting the camera to Blackmagic AETM mini via Micro HDMI to HDMI connection for live training sessions, the camera outputs signal when connected via 3-5m cable but no signal when using 10-15m cables or even powered HDMI extenders.<BR />Thanks</P> Wed, 21 Dec 2022 13:51:11 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/EOS-R6-10m-Micro-HDMI-to-HDMI-Cable-does-not-output-video/m-p/398771#M94755 shibulawrence 2022-12-21T13:51:11Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/EOS-R6-10m-Micro-HDMI-to-HDMI-Cable-does-not-output-video/m-p/398773#M94756 <P>Welcome to the forums.</P><P>You do not have a camera problem. &nbsp;You have an HDMI cable issue. &nbsp;The fact that the camera output seems to with 3-5 meter long cables means the camera HDMI works as designed.</P><P>Your problem is that the laws of physics are not working in your favor. &nbsp;For complex electronic reasons that are off-topic, the length of HDMI cabling has a maximum limit, 25 feet or 7.6 meters. &nbsp;A passive cable that is 10 meters or longer should never work properly. &nbsp;</P><P>If your active HDMI cable extension is not working, then you could have a grounding problem or bad gear. &nbsp;You have already stated that the camera works,, just as it should.</P> Wed, 21 Dec 2022 00:55:37 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/EOS-R6-10m-Micro-HDMI-to-HDMI-Cable-does-not-output-video/m-p/398773#M94756 Waddizzle 2022-12-21T00:55:37Z