Using off-camera flash is one of the best things you can do to improve flash photography. Here are some options for Sony Alpha off-camera flash setups.
Sony Alpha 7R V Full-frame Mirrorless Interchangeable Lens Camera
Sony A7 Review
Sony Alpha a7 III Kit Full-frame 24.2-megapixel mirrorless camera with built-in Wi-Fi® and 28-70mm zoom lens at Crutchfield
Distinguished by its updated sensor design, the Sony a7 III is a well-rounded camera suitable for both photo and video applications in a variety of working situations. Refined for improved speed and low-light performance, a new 24.2MP Exmor R BSI CMOS sensor and BIONZ X processor benefit image quality, video capabilities, and AF performance. The a7 III also sports a revised body design, with a new touchscreen LCD, improved EVF, larger battery, and dual memory card slots.
Sony Alpha a7R V Mirrorless Camera
My Biggest Problem (and solution) with Sony Cameras Flash EVF issue on A7R III, A7 III, A9, A7R II
SONY ALPHA CAMERAS AND LENSES
Compatible with Sony ADI / P-TT Coiled Cord Mounts to Flash Shoe Mounts to 1/4-20 Threaded Studs Allows Off-Camera Triggering of Flash
Vello Off-Camera TTL Flash Cord for Sony Cameras with Multi Interface Shoe (3')
SPECIFICATIONS: * COMPATIBILITY: Sony® TTL, Manual (Double Mode) * GUIDE NUMBER | FORMULA: 32 | Guide Number = Distance × f-number * DIRECTIONAL
Sony Alpha a7 Bounce, Swivel Head Compact LCD Mult-Function Flash
Prepare to be inspired. The Sony Alpha 7 IV Mirrorless Camera's true-to-life resolution and remarkable AI-powered autofocus complement a range of world-class features at the cutting edge of imaging technology. Go beyond basic with 33-Megapixel full-frame sensor for outstanding still image and 4K11 movie quality. The full-frame 33MP Exmor R back-illuminated CMOS sensor delivers outstanding speed and superb image quality.
Sony Alpha A7 IV Mirrorless Camera with 28-70mm Lens
Prepare to be inspired. The Sony Alpha 7 IV Mirrorless Camera's true-to-life resolution and remarkable AI-powered autofocus complement a range of world-class features at the cutting edge of imaging technology. Go beyond basic with 33-Megapixel full-frame sensor for outstanding still image and 4K11 movie quality. The full-frame 33MP Exmor R back-illuminated CMOS sensor delivers outstanding speed and superb image quality.
Sony Alpha A7 IV Mirrorless Camera with 28-70mm Lens
Shop Sony ILCZVE10LW Alpha ZV-E10 Vlog Camera Kit - White
Sony Alpha Tutorial - Setting up a Camera for Wireless Flash