Sharpen Your View in 3 Easy Steps: ①Find Your Focus: Make sure there's an object in front of the camera for it to reference. This helps the camera lock in and achieve optimal focus. ②Zoom It In: Use the zoom controls on the app to get the image closer. ③Fine-Tune the Clarity: Once zoomed in, use the focus adjustment to get the sharpest possible image. Pro Tip: Switch to HD mode for the best viewing experience. 

Digital zoom 

Digital zoom. 

this solar camera have 4X digital zoom. 

You could try this tip. Hope it helps. Digital zoom operation: Press the menu button →use the “up” and “down” buttons to select the "Digital zoom" module →press the “right” button →use the “up” and “down” buttons to select the zoom factor →press the “OK” button to confirm(The specific operation is shown in the video).