While the scope-less provides a brighter, sharper, image, with less weight, you are limited in magnification by the camera lenses available. More expensive than allot of scopes, and more delicate. Crosshair set-up is via a pixel generator within the camera.
Here is the progress on operation budget build rat slayer. I installed the IR kit and did some quick testing. I have to say that for the $$$ I am super impressed! I will do a video of the day and night tests on my website. Getting closer!