FC-50 was the smallest telescope that Takahashi ever made. In '90, it discontinued and transffered to FS-60. Originary designed as two way telescope both on F8 as visual and compressed F5.8 photographs in film. The original reducer is not matched with CCD resolution, lately I confirmed FS-60 reducer C-0.73X is just compatible. You can see how it wil work on this image. https://www.cloudyni...99_19560057.jpg