Group70 70 inch (1988-nearing completion as of 2022)
Tom Kaye 44 inch F8 CDK. Working the mirror.
Dan Bakken 42 inch (2004, 2nd iteration 2007)
Joerg Peters 41.4 inch F3.25 (2024)
Chris Fuld 41 inch scope (2007)
Fabio Marioni's 40 inch scope (2016) 24mm thick meniscus F5 mirror
Project40 40 inch scope (2015)
Steve Swayze 40 inch (1994)
Fredericc Gea (David Vernet, mirror maker) 40 inch (2007)
ADIA (Frederic Gea, ADIA and David Vernet) 40 inch (1993+)
SPACE, San Pedro de Atacama Celestial Explorations (Alain Maury) 45 inch (2019)
Howard Royster, George Loyer 40 inch alt-alt telescope (2012)
Robert Houdart 43 inch (2008+)
Dr. Erhard Hänssgen 42 inch (2003)
Mike Lockwood has made a number of giant mirrors
Norm Fullum has made a number of giant mirrors
Joerg Peters 28 inch, homemade twin mirrors (2013)
Eric Royer 24 inch, homemade twin mirrors (2023). Eric has also developed binoscope design software available here
Mary and Andrea Boldrini 24 inch binoscope (2013). Also see this video (2021).
Star Dude 24 inch bino-bot project (ongoing)
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