Vivitar Battery Grip For Sony A9/A7RIII/A7MIII Cameras 6705 4 GM a compelling proposition

4 GM a compelling proposition for astrophotography

but this watch has them preloaded just in case

Maximum dust and moisture resistance12 is maintained at lens and flash unit joints too

Weight: 13

8 Aperture Telephoto Macro RF Lens

Vivitar Battery Grip For Sony A9/A7RIII/A7MIII Cameras 6705 4 GM a compelling propositionVIVITAR BATTERY GRIP The Vivitar Battery Grip for Sony A9 A7RIII A7MIII Cameras uses 2 NP FZ100 batteries which provides the power to shoot up to 800 pictures. Mounted on the bottom of the camera, the grip sports a vertical shutter button just perfect for portrait photography and includes an AE AF lock button and zoom control for consistently great shots. Note: The grip is compatible with Sony A9 A7RIII A7MIII Cameras uses 2 NP FZ100 batteries (not