The Sony HVL-F46RM isn't that spectacular of a flash. Sony could've done a much better job but they chose not to innovate.
Lighting Archives - Page 2 of 16 - The Phoblographer
Spend Your Money on Better Things. Sony HVL-F46RM Flash Review
SONY フラッシュ HVL-F46RM
Sony HVL-F58AM High-Power Digital Camera Flash with Wireless Ratio Control and Quick Shift Bounce for Sony Alpha Digital SLR : On Camera Shoe Mount Flashes : Electronics
Sony A7 IV Review & Sample Images by Ken Rockwell
Spend Your Money on Better Things. Sony HVL-F46RM Flash Review
Sony HVL-F58AM High-Power Digital Camera Flash with Wireless Ratio Control and Quick Shift Bounce for Sony Alpha Digital SLR : On Camera Shoe Mount Flashes : Electronics
GN46 Wireless Radio Control External Flash
Sony HVL-F45RM - Mark Galer
Spend Your Money on Better Things. Sony HVL-F46RM Flash Review
Sony announces two new flash units with improved continuous performance, smarter auto white balance and more: Digital Photography Review
Sony A7IV officially announced – sonyalpharumors
High-power Guide Number 58 external flash Effective range greater than 45 feet (14.5m) “Quick Shift Bounce” for lighting freedom Wireless operation
Sony HVL-F58AM High-Power Digital Camera Flash with Wireless Ratio Control and Quick Shift Bounce for Sony Alpha Digital SLR
Sony HVL-F46RM Review & Sample Images by Ken Rockwell