It has a dovetail-bar, for placement onto other mounts, but no tube-rings, and rings for this one would be virtually impossible to find online...
EDIT:
http://www.saxonoptics.com/products/...roductid=10011
...however pipe-clamps served for this "de-forked" 50/600, at f/12...
...a bit of DIY.
Only a safe solar-filter can be attached, at front over the aperture; no Herschel wedge or other, as the telescope is plasticky. Achromatic refractors from 40mm to 76mm were once of all-metal, the focusser and the doublet's lens-cell in particular.