OTA Orion StarMax 127mm EQ Orion Telescopes & Binoculars · StarMax 127mm EQ Key specifications Aperture127 mm Focal length1540 mm Focal ratiof/12.1 Optical designMaksutov-Cassegrain Weight3.6 kg About 127mm f/12.1 Maksutov-Cassegrain on an EQ mount.
