Zoom in the viewport or change the size of the active camera with keeping the same perspective.
How to use
First of all, you must add a camera and set it active (Cameras > Use Camera > Camera).
The new image width in pixel.
The new image height in pixel.
The zoom factor in percent.
The X offset.
The Y offset.
Auto update :
If you enable Auto update you don't have to click on 'OK' to apply the new settings.
Note : If the xsCameraSizeAdjust's dialog window loses the focus you have to click on 'OK' to apply the new settings.
The 'Reset' button reset the camera settings and the render width / height stored at the opening of xsCameraSizeAdjust.
If you make some modifications to the camera settings while xsCameraSizeAdjust is open, when you click on 'Reset' these modifications will be lost.
For any bugs, suggestions, feature requests, support or anything else contact me at email@example.com