Freeze Camera & make a bookmark for Camera

How to Freeze Camera

When you don't want the camera move, then you could freeze it.

1.select all the location value and right-click the mouse,  there is a menu pop up. 

2. select "Freeze", choose the value you want to be locked or choose "all" 

The camera is freeze and can't be moved.

Bookmark the camera

When you bookmark a camera, you can easily back to that bookmark camera position.

1. make the view is the camera view you want to bookmark with.
2. click "View" > Bookmarks > Edit Bookmarks...

3. There is a message popup and name your camera "xxx", click "Apply".  Your bookmark camera has been created.

4. When you want to go back to the bookmark camera, you just need to go to "View> Bookmarks> xxx" the view will back to the bookmark camera view.