Also posted to a different thread: Old thread but will post here - perhaps will help someone. Error 20 can be triggered by a variety of conditions. One that seldom appears in forums is a battery (control voltage) rather than camera problem. I've be...
Old thread but will post here - perhaps will help someone. Error 20 can be triggered by a variety of conditions. One that seldom appears in forums is a battery (control voltage) rather than camera problem. I've been using a DC coupler for astrophotog...