With the Camera Remote app, you can use your Apple Watch as a viewfinder for your iPhone camera and take photos and videos from a distance. You can even control the flash, set a shutter timer, and review your shots right on Apple Watch.
To function as a camera remote, your Apple Watch needs to be within normal Bluetooth range of your iPhone (about 33 feet or 10 meters).
View a photo: Tap the thumbnail at the bottom left.
See more photos: Swipe left or right.
Zoom: Turn the Digital Crown.
Pan: Drag a zoomed photo.
Fill the screen: Double-tap the photo.
Show or hide the Close button and the shot count: Tap the screen.
When you’re finished, tap Close.
You can use the Camera Remote app on Apple Watch to record video using your iPhone.
Go to the Camera Remote app Take Live Photos with your iPhone camera in the iPhone User Guide.