I'm exploring the possibility of building a LHires III based on the technical drawings I've found online. I've worked out most of how it functions but the drawings call for a fixed reflective slit and I am not sure this is what I want. I'm looking at alternatives at the moment and am open to advice/suggestions if anyone has tried modifying this design. If you're interested in building one, we may be able to colaborate. It's a steep learning curve but doable, I think
Rom