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Swapped in the vacuum-compatible version for our cleanroom setup and the retroreflector seated perfectly on apex right out of the box—no fiddly alignment needed. The single-beam design feels solid and the mount threads are machined clean. Took a few minutes to confirm the return path, but the stabil

The two vacuum compatibility options made integration straightforward for my specific chamber setup. Alignment with the retroreflector target was stable right out of the box.

The vacuum-ready configuration fits right into my existing chamber without any adapter headaches, and the retroreflector target seated cleanly on the apex first try. Interference fringes were crisp within minutes of powering up.