ADAPTER M74 FEMALE - M63 FEMALE FOR RICCARDI REDUCER saddle The case Elephant 620/340 features:

The case Elephant 620/340 features:

Assume the counterweight mass is m kg

This aberration is more visible with short focal ratio Newtonians but it can be corrected with a coma corrector

1 arc seconds per step

10Micron provides an ASCOM driver for Windows

ADAPTER M74 FEMALE - M63 FEMALE FOR RICCARDI REDUCER saddle The case Elephant 620/340 features:This adapter allows you to connect the APM M63 Riccardi Reducer to Sky Watcher Esprit 100, 120 and 150 apo telescopes. On the telescope side is an M74 x 1 female thread and on the reducer side is an M63 x 1 female thread. Designed by legendary optical designer Massimo Riccardi, the APM 0. 75x reducer provides a fully corrected field of 40mm and transforms your telescope into a true astrograph. By contrast, the Sky Watcher reducers only cover a 34mm