OFFICINA STELLARE RiFAST 400 F/3.8 ASKAR 3 kg stainless counterweight with

3 kg stainless counterweight with ergonomic tightening screw

4″dovetail bar

The collimation is stable as ever before due to an improved mechanical design

Above the support rings the EAGLE CORE is installed with 80mm PLUS guide rings

OFFICINA STELLARE RiFAST 400 F/3.8 ASKAR 3 kg stainless counterweight withThe RiFAST 400 is an astrograph with a new revolutionary optical design proprietary of Officina Stellare, designed by Massimo Riccardi. OPTICAL DESIGN The primary mirror is aspherical and the secondary mirror is spherical, a precise design to make collimation easier. The RiFAST includes a 3 elements flattener of which 2 are aspherical and it is placed near the focus position to avoid any chromatic aberration. The telescope is a native f 3. 8 with a