User Activity

Is there a way to use a 12V cigarette plug to power the DC Coupler DR E6?  I have looked online for several hours and cannot find a DC to DC converter that will reduce the 12v down to 8V 3A.  It would be nice to have a power source to use a 12V batte...
Several years ago, I purchased the Canon EOS 60Da to be used mainly for Astrophotography.  I have several Canon lenses; two are EFS types; 55-250mm & 18-135mm and neither have manual f/stop settings on the lens.  The only other lens I have is a Canon...