The cast-aluminum primary mirror cell
broke, the secondary mirror spider got severely bent, and all the external accessories, except the focuser, were sheared off the tube and damaged.
5-meter telescope mirror cell
for the telescope san pedro matir project.
The modular design permits each gimbal mirror cell
to be modified or replaced with different shaped cells to accommodate sensors or other asymmetrically shaped payloads.
To balance it I had to strip everything from the top end (I just have a red dot finder, no optical finder) and fit a 9kg weight to the mirror cell
Next, starting at the top with item A, "Move the Rye into the new mirror cell
," compare it with each item below.
The 61/4-inch primary mirror was wedged into a solid oak mirror cell
that had shrunk and warped.
Brent took the primary mirror, mirror cell
, and spider assembly from the old scope and integrated them into the wood OTA.
You can read about his double-plate mirror cell
at his website, www.
When I first opened the mirror cell
, I didn't realize there was any mirror there at all.
At the back end I dispensed with a traditional Dobsonian's mirror box and simply attached the aluminum struts directly to the rear disk of the double-plate mirror cell
At the mirror end of the scope the tripod legs bolt to a frame that holds the mirror cell
, while at the front end they attach to the metal ring of the secondary cage.
Lightweight Telescope Mirrors I'm building a 16-inch telescope and want to know if my design for the mirror cell
looks right to you.