This video steps you through the best settings for the 7RYMS DW20. Product Link: https://geni.us/7RYMS_iRay_DW20 I will show you how to set up the system on a mobile phone in two unique ways and then go through the steps to get the best setup on a DSLR camera. If you have any questions, please type them in the comments section.
iPhone camera adapter: https://geni.us/iOS_Camera_Adapter