In this video Wasio Photography demonstrates when it is beneficial to use off-camera flash with high-speed sync to create dramatic portrait with shallow depth of field and punchy lighting.
A Sony A7Rii camera with Phottix Odin II trigger and Mitros+ TTL Transceiver Flash for Sony. The the Odin II and Mitros+ combo you can shoot high-speed sync for Sony cameras on Sony cameras.
Benjamin Von Wong recently did a live Facebook video of using his Sony camera with the Odin II for Sony with his Broncolor gear – using the Odin II Overdrive Sync (ODS) function to shoot at higher shutter speeds.