https://community.usa.canon.com/t5/Camcorders/problem-with-vixia-r400/m-p/92560#M4472 <P>We use this camera to record indoors and it is almost 6 months old.&nbsp; It is on a tripod and recording from the back of the room.&nbsp; We also set it to record at a lower rate to create smaller files.&nbsp; You do not see this on the camera screen, but when you play back on a computer the light fades in and out - lighter to darker and it is almost like a wave of light.&nbsp; The appearance reminds me of maybe a cloud passing over and blocking light through the windows.&nbsp; I have tried different settings to no avail.&nbsp; Anyone have an idea as to what is going on?&nbsp; Any help would be appreciated!</P><P>Thanks</P><P>Bill</P> Sun, 11 May 2014 20:32:28 GMT BillH 2014-05-11T20:32:28Z https://community.usa.canon.com/t5/Camcorders/problem-with-vixia-r400/m-p/92560#M4472 <P>We use this camera to record indoors and it is almost 6 months old.&nbsp; It is on a tripod and recording from the back of the room.&nbsp; We also set it to record at a lower rate to create smaller files.&nbsp; You do not see this on the camera screen, but when you play back on a computer the light fades in and out - lighter to darker and it is almost like a wave of light.&nbsp; The appearance reminds me of maybe a cloud passing over and blocking light through the windows.&nbsp; I have tried different settings to no avail.&nbsp; Anyone have an idea as to what is going on?&nbsp; Any help would be appreciated!</P><P>Thanks</P><P>Bill</P> Sun, 11 May 2014 20:32:28 GMT https://community.usa.canon.com/t5/Camcorders/problem-with-vixia-r400/m-p/92560#M4472 BillH 2014-05-11T20:32:28Z https://community.usa.canon.com/t5/Camcorders/problem-with-vixia-r400/m-p/96582#M4473 <P>Hello BillH,<BR /><BR />This sounds like the camera is opening and closing the iris based on light levels in the room.&nbsp; You can use the SCN mode to lock the exposure and this will keep it from attempting to adjust.<BR /><BR />If this is an urgent technical support matter, you are welcome to contact us in technical support through our <A target="_self" href="http://www.usa.canon.com/cusa/consumer/standard_display/contact_us_consumer">web site</A>.&nbsp;</P> Mon, 02 Jun 2014 21:59:14 GMT https://community.usa.canon.com/t5/Camcorders/problem-with-vixia-r400/m-p/96582#M4473 Tim 2014-06-02T21:59:14Z