Helixsun V4.0 Ocal Electronic Collimator Data for Newtonian Reflecting Telescopes and Schmidt Cassegrain Telescopes, Perfect for Professional Astrophotography
| Country | USA |
| Brand | Rutgers University Press |
| Manufacturer | Rutgers University Press |
| Binding | Hardcover |
| ItemPartNumber | 32 illustrations |
| UnitCount | 1 |
| EANs | 9780813544793 |
| ReleaseDate | 0000-00-00 |