The new Zenithstar 73 APO from William Optics features an FPL53 Synthetic Fluorite doublet objective lens that provides excellent image quality with APO levels of colour correction and sharpness.
The matched field 1.1x flattener for the ZS73 offers a wide flat field suitable for larger format CCD and CMOS sensors.
The ZS73 is supplied with a decent quality 2.5" 1:10 dual speed rack and pinnin focuser together with mounting rings, guiding rings and a Vixen style of dovetail.
Available in Blue, Red or Gold anodised finish.
Click here for M48 T Mount Adaptors
Zenithstar 73 F5.9 FL430mm
Retracted Length 310mm
2.5" Dual Speed Rack and Pinnion Focuser
Vixen Style Dovetail
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