Summary
Try zooming in on the subject, and then moving the phone away a bit.
If you want to take sharp close-ups with your iPhone 13, you need to move the device away from the in-focus object. Move your iPhone 13 at least 4 inches (10 cm) away to get the camera to focus properly.
Fix iPhone 13 Camera Not Focusing up Close - AppleToolBox
appletoolbox.com
Summary
Try zooming in on the subject, and then moving the phone away a bit.
If you want to take sharp close-ups with your iPhone 13, you need to move the device away from the in-focus object. Move your iPhone 13 at least 4 inches (10 cm) away to get the camera to focus properly.
UURIG Smartphone Camera Shutter Remote Handle Grip with Detachable ...
amazon.com
Summary
The first thing you should do is remove the iPhone case when using the camera. Sometimes, the phone case may block the iPhone's camera, and the camera won't focus properly, resulting in blurry photos.
This solution requires you to press and hold the camera button and wait until the camera is focused.
IPhone Camera Not Working -Camera Won't Focus (14 Fixes)
technobezz.com
Compatible with Nikon, Canon, iPhone 13 Pro Max , 13 , 12, XS Max, XR, Samsung Galaxy S22 Ultra, S22+, S22, S21 Ultra, S21, Note 20, Huawei P30 Pro, Google Pixel 4…
Amazon.com: UURig Cell Phone Stabilizer for Video Recording -Camera ...
amazon.com
Set up a Focus on iPhone . Focus is a feature that helps you reduce distractions and set boundaries. When you want to concentrate on a specific activity, you can customize…
Set up a Focus on iPhone - Apple Support
apple.com