0.5X C-Mount video coupler for the SSZ-II Trinocular series

In order to use a camera in a trinocular microscope or a video lens system, a video coupler is require to function properly. Choosing a lower magnification video coupler decreases video magnification but increases the field of view and working distance whereas choosing a higher magnification video coupler increases the video magnification but decreases the field of view and also the working distance.