The Nyx Finderscope is a removeable red dot finderscope specially designed for the Nyx Tracker. Users who are unable to use the green laser due to extreme cold, proximity to an airport, or fear of disturbing other night sky observers can attach the Nyx Finderscope to their Nyx Tracker for unhindered imaging.
Instructions for attaching and aligning the Nyx Finderscope are included, and can be downloaded here:
For Gen3-6 Nyx Tracker
For Gen7 (current) Nyx Tracker