There's a problem with the mouse movement in edit mode.
- If you move the mouse forward, You zoom out
- If you move the mouse backwards, you zoom in
- If you move the mouse left. Your camera moves right
- If you move the mouse right, Your camera moves left.
Now on the keyboard the movement is correct.
- Press left moves the camera left
- Press right moves the camera right
- Pres up is zoom in.
- Press down is zoom out.
De mouse action is reveres compared to the keyboard and works a bit strange.