William Optics ZenithStar 73
By Zane Landers — 8/1/2025
The William Optics ZenithStar 73 is a compact ED doublet refractor designed for wide-field astrophotography, offering solid mechanics, quality optics, and excellent value. While it needs a field flattener for best imaging results, its portability and build make it a favorite among beginner and intermediate astrophotographers.