This is a paid asset, but now you can download Third Person Camera Free.
Detail this asset from Unity Store: Original Link
Third Person Camera v220.127.116.11
Third Person Camera v1.0.4
“If possible, please buy the package to support the developer”
This 3rd Person Camera uses advanced features to ease the problems for content creators and players. Be it freeform, auto following or locking on targets. This asset is the ultimate package to get you started on developing games, not camera systems.
– Collision Sensitivity:
A spherical collision algorithm makes sure the camera doesn’t clip into any geometry.
– Smart Pivot:
Sets a pivot point when the camera is hitting the ground while looking up and prevents the character from blocking the view.
– Thickness Checking:
Thickness checking can be configured to ignore smaller obstacles like sticks, trees, etc… to not reposition or zoom in the camera.
– Over the shoulder:
Out of the box support for games that use additional camera offsets for aiming without changing the rotation pivot of the character or offsetting the aim position.
– Follow mode:
Automatic following of the specified target without the need to manually adjust the camera.
– Follow slope alignment:
Automatically aligns the camera upwards or downwards when the target is on slopes.
– Lock On Mode:
An easy to setup lock on mode that keeps the player and your target in focus.
– Controller support
It also has no other script dependencies, is easy to configure and has great extend-ability with it’s clean written C# code.