DigiCamControl is a Free Windows DSLR Camera Controlling Solution.
DigiCamControl is the best tethering tool used to capture and instantly transfer the images from Camera to Computer.
DigiCamControl is a Free software available to control your camera remotely from your windows.
Control your camera settings remotely from your Windows PC via USB. Capture Images through the camera via the Shutter Release button or remotely from your computer.
It is a Must Tool for Professional Photographer.
Instantly Preview the Images when the photo captured in the camera, will be displayed on the Computer.
Using DigiCamControl you can Generate time-lapse videos also.
You can use it for focus stacking also. See the Complete Tutorial here on Focus stacking with digiCamControl
Image is viewed on a larger live view window & histogram display so that you can view the image or video clearly on your Computer Monitor.