Amateur Telescope Making
The First 12.5 inch - "Trifid" Transportable
| The First 12.5"
instrument was purely visual. The mirror was ground by Pierre
Schwaar and was f/5. It was fairly sharp, and easily out resolved
the thin mirror 16". I eventually mounted the 12.5"
up in Payson in the Sphere dome, and the mounting base became
a base for the 16".|
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Here is Black Canyon City in 1987, the 12inch
shows battle scars from many miles of road
travel in the back of a pick up truck.
The 12.5" f/5 Trifid
for Full 1290 x 960 size