Fifty Years 1975 – 2025
This is a Richest Field Telescope (RFT). Its large achromatic objective lens (5”) and short focal length (24-3/4”) makes it ideal as a “comet hunter.” It has a wide-field of view (4°), low-power magnification (16.5x) and excellent light-gathering ability (f/5). It was constructed as a father-son project by my father John E. “Jack” Voisin (1925-1994) and me, John M. “Mike” Voisin.
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