Quote Originally Posted by laroygreen View Post
...can the Horseman Reflex Viewfinder work on the Shen-Hao TCF69-A camera without making any mods (I suck at mods) and will it register correctly for focusing?[/U]...
Yes, but only by swinging the Shen-Hao's ground glass frame away and mounting the Horseman viewer's screen/frame combination as one would mount a roll film holder using the Graflok sliders.

Quote Originally Posted by laroygreen View Post
...You can view the full post here
The right way to do this and avoid redundant viewing screens is described in detail in post #23 of the getdpi.com thread you linked to. It does require modification of the Shen Hao's viewing screen frame, but results in a much more user-friendly configuration.