Dual-speed rack and pinion, 20 mm travel, rotator, built-in doublet corrector
Tube length
400 mm
Dovetail
Vixen
About
The aluminium-tube version of the 13028HNT: a 130 mm f/2.8 hyperbolic Newtonian astrograph on a PZ33 primary, with a doublet ED corrector built into the dual-speed rack-and-pinion focuser and a 65 mm secondary for full-frame illumination.