Unitron History Project
Preserving the history of Unitron/Polarex telescopes
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Fine’s Visit to Japan
Polarex – Unitron Model 900
Polarex-Unitron Collector Group in Spain
Sky High 5 Inch Polarex – First Light
A Dream Comes True – Unitron Model 510
Tinted Objective Lenses
A Unitron/Polarex Family
Unitron’s Model 220 Glass Plate Camera
A Dream Becomes Reality
A Grandfather’s Promise
Introduction of the 6 Inch Unitron
Memories of an Amateur Astronomer
Sky High Observatory
History
Unitron History: Section 1-“The Glory Days”
Unitron History: Section 2-“The Transition”
Unitron History: Section 3-“The Demise”
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5″ and 6″ Scopes
Castleton University
Ferris State University
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McDonald Observatory
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Slottsskogen Observatory
Tiendesprong Observatory
University of Connecticut Physics Observatory
University of Olivet
University of Western Ontario
Observatory Locations – 4″ Polarex/Unitrons
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Unitron
Unitron Model 65M
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UNITRON Model 132-C
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Unitron Model 142
Unitron Model 145
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Unitron Model 152
Unitron Model 152C
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Unitron Satellite Telescope
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ED-U-Scopes
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Polarex Model 65M
Polarex Model 105
Polarex Model 114
Polarex Model 127
Polarex Model 128
Polarex Model 129
Polarex Model 131
Polarex Model 132
Polarex Model 132-E
Polarex Model 132-F
Polarex Model 133-N
Polarex Model 134
Polarex Model 135
Polarex Model 136E
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«
Finds
EGE Observatory 1965
By
David Komar
August 13, 2025
August 13, 2025
Full size is
1022 × 618
pixels
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Ehlers M510s
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