Comment by Philpax
It's not too difficult to actually assemble - you just need some displays, a display driver, and the optics - but getting optics fabricated to meet your requirements might be challenging.
It's not too difficult to actually assemble - you just need some displays, a display driver, and the optics - but getting optics fabricated to meet your requirements might be challenging.
It is too difficult to assemble precisely for that reason.