Sony a7R V Alpha Full Frame Interchangeable Lens Camera Body OPEN BOX + 1 YR Warranty Brand_Moza you can use the SB-5000

you can use the SB-5000 AF Speedlight on-camera as a Master Flash to control other remote Speedlights (up to 3 Groups: A/B/C and 4 channels)

Refresh Rate: TruMotion 240 (Refresh Rate 120Hz)

Product Weight: 57 lbs

Panel Size: 27-inch

since they have no more need to go to the gym

Sony a7R V Alpha Full Frame Interchangeable Lens Camera Body OPEN BOX + 1 YR Warranty Brand_Moza you can use the SB-5000Sony Alpha 7R V Full frame Mirrorless Interchangeable Lens Camera Next generation AI based Real time Recognition AF with human pose estimation deep learning combine with extraordinary 61MP picture quality, spectacular 8K24p 4K60p movies, and advanced connectivity and workflow to create a higher level of imaging performance. A7R V is an important turning point toward the future of imaging. Product Highlights: A whole new level of camera intelligence